# germanium atomic mass

TheÂ chemical symbolÂ for Rhenium isÂ Re. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. OsmiumÂ is a chemical element withÂ atomic numberÂ 76Â which means there are 76 protons and 76 electrons in the atomic structure. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. 32. KryptonÂ is a chemical element withÂ atomic numberÂ 36Â which means there are 36 protons and 36 electrons in the atomic structure. Chlorine is a yellow-green gas at room temperature. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Titanium can be used in surface condensers. TheÂ chemical symbolÂ for Polonium isÂ Po. TheÂ chemical symbolÂ for Ruthenium isÂ Ru. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. TheÂ chemical symbolÂ for Carbon isÂ C. It is nonmetallic and tetravalentâmaking four electrons available to form covalent chemical bonds. Thallium is a soft gray post-transition metal is not found free in nature. Mass.    Date of Discovery This page was created by Yinon Bentor. TheÂ chemical symbolÂ for Francium isÂ Fr. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. PoloniumÂ is a chemical element withÂ atomic numberÂ 84Â which means there are 84 protons and 84 electrons in the atomic structure. TheÂ chemical symbolÂ for Molybdenum isÂ Mo. TheÂ chemical symbolÂ for Holmium isÂ Ho. TinÂ is a chemical element withÂ atomic numberÂ 50Â which means there are 50 protons and 50 electrons in the atomic structure. If we include man made elements, the densest so far isÂ Hassium.Â HassiumÂ is a chemical element with symbolÂ HsÂ and atomic number 108. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure.    Boiling Point Iron is a metal in the first transition series. For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Therefore the standard atomic mass of germanium is calculated by using the standard formula Atomic Number 14 Atomic Mass g/mol Periodic Table Group 32 Row / Period 4 Element Category Semimetal Chhapa Germanium ke electron shell. TheÂ chemical symbolÂ for Mercury isÂ Hg. It has an estimated density ofÂ 40.7 x 103Â kg/m3. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. TheÂ chemical symbolÂ for Cobalt isÂ Co. Cobalt is found in the Earthâs crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Nickel is a silvery-white lustrous metal with a slight golden tinge. The information contained in this website is for general information purposes only. TerbiumÂ is a chemical element withÂ atomic numberÂ 65Â which means there are 65 protons and 65 electrons in the atomic structure. It is grayish-white, lustrous, hard and has similar chemical properties to tin and silicon. TheÂ chemical symbolÂ for Thorium isÂ Th. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. Molecular Weight. TheÂ chemical symbolÂ for Titanium isÂ Ti. ChlorineÂ is a chemical element withÂ atomic numberÂ 17Â which means there are 17 protons and 17 electrons in the atomic structure. FluorineÂ is a chemical element withÂ atomic numberÂ 9Â which means there are 9 protons and 9 electrons in the atomic structure. TheÂ chemical symbolÂ for Calcium isÂ Ca. UraniumÂ is a chemical element withÂ atomic numberÂ 92Â which means there are 92 protons and 92 electrons in the atomic structure. CaesiumÂ is a chemical element withÂ atomic numberÂ 55Â which means there are 55 protons and 55 electrons in the atomic structure. and Gay-Lussac, L.-J. This form constitutes an allotrope known as Î±-germanium, which has a metallic luster and a diamond cubic crystal structure, the same as diamond. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. chemical properties, health and environmental effects of germanium. Therefore, we cannot determine the neutron number of uranium, for example. Number of natural isotopes (atoms of the same eleâ¦ Its properties are thus intermediate between those of chlorine and iodine. EinsteiniumÂ is a chemical element withÂ atomic numberÂ 99Â which means there are 99 protons and 99 electrons in the atomic structure. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Its physical and chemical properties are most similar to its heavier homologues strontium and barium. The chemical symbol for Helium is He. (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, JÃ¶ns Jacob/Klaproth, Martin Heinrich. TheÂ chemical symbolÂ for Samarium isÂ Sm. Atomic symbol (on the periodic table of elements): Ge 3. Typical densities of various substances are at atmospheric pressure. It is anÂ intensive property, which is mathematically defined as mass divided by volume: In words, the density (Ï) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance. Germanium is brittle and silvery-white under standard conditions. Atomic mass of Germanium is 72.64 u. Gold is a transition metal and a group 11 element. TheÂ chemical symbolÂ for Zirconium isÂ Zr. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. It is by mass the most common element on Earth, forming much of Earthâs outer and inner core. The metal is found in the Earthâs crust in the pure, free elemental form (ânative silverâ), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Atomic number of silicon is 32 and is indicated by the symbol Ge. The name xenon for this gas comes from the Greek word Î¾Î­Î½Î¿Î½ [xenon], neuter singular form of Î¾Î­Î½Î¿Ï [xenos], meaning âforeign(er)â, âstrange(r)â, or âguestâ. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. GermaniumÂ is a chemical element withÂ atomic numberÂ 32Â which means there are 32 protons and 32 electrons in the atomic structure. TheÂ chemical symbolÂ for Plutonium isÂ Pu. Germanium is a lustrous, hard, greyish- white a metalloid. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Holmium is a relatively soft and malleable silvery-white metal. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Thulium is the thirteenth and third-last element in the lanthanide series. Like silicon, gallium, bismuth, antimony, and water, germanium is one of the few substances that expands as it solidifies (i.e. DensityÂ is defined as theÂ mass per unit volume. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. The Atomic Mass Of Germanium Is 72.6 U And The Germanium Lattice Constant A Is 5.65 Å. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.    Other Metals Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. It is less abundant than either tin or lead. It is the fourth most common element in the Earthâs crust. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. TheÂ chemical symbolÂ for Tellurium isÂ Te. TheÂ chemical symbolÂ for Beryllium isÂ Be. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Name: Germanium Symbol: Ge Atomic Number: 32 Atomic Mass: 72.61 amu Number of Protons/Electrons: 32 Number of Neutrons: 41 Date of Discovery: 1886 Discoverer: Clemens Winkler Uses: semiconductors Classification: Metalloid Use of this web site is restricted by this site's license    Atomic Number BoronÂ is a chemical element withÂ atomic numberÂ 5Â which means there are 5 protons and 5 electrons in the atomic structure. There are five naturally occurring isotopes of germanium: germanium-70, germanium-72, germanium-73, germanium-74, and germanium-76. It is even less abundant than the so-called rare earths. TheÂ chemical symbolÂ for Niobium isÂ Nb. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Germanium is a chemical element with the symbol Ge and atomic number 32. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) stabilizes the free metal somewhat against further oxidation. Tungsten is an intrinsically brittle and hard material, making it difficult to work. AmericiumÂ is a chemical element withÂ atomic numberÂ 95Â which means there are 95 protons and 95 electrons in the atomic structure. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. Name: Germanium. SulfurÂ is a chemical element withÂ atomic numberÂ 16Â which means there are 16 protons and 16 electrons in the atomic structure. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. Californium is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium).    Halogens TitaniumÂ is a chemical element withÂ atomic numberÂ 22Â which means there are 22 protons and 22 electrons in the atomic structure. This is not to be confused with the relative percentage isotope abundances which totals 100% for all the naturally occurring isotopes. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (â195.8Â°C) and is used as a coolant.  Help Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 Â°C, which makes it one of only five elemental metals that are liquid at or near room temperature. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Our Website follows all legal requirements to protect your privacy. CaliforniumÂ is a chemical element withÂ atomic numberÂ 98Â which means there are 98 protons and 98 electrons in the atomic structure. BariumÂ is a chemical element withÂ atomic numberÂ 56Â which means there are 56 protons and 56 electrons in the atomic structure. IronÂ is a chemical element withÂ atomic numberÂ 26Â which means there are 26 protons and 26 electrons in the atomic structure. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. Sodium is a soft, silvery-white, highly reactive metal. ProtactiniumÂ is a chemical element withÂ atomic numberÂ 91Â which means there are 91 protons and 91 electrons in the atomic structure. However, today it is primarily obtained from the smelting of zinc ores and as a byproduct of burning certain types of coal. Classified as a metalloid, Germanium is a solid at room temperature. RadonÂ is a chemical element withÂ atomic numberÂ 86Â which means there are 86 protons and 86 electrons in the atomic structure. While in crystal form, germanium has a displacement threshold energy of $${\displaystyle 19.7_{-0.5}^{+0.6}~{\text{eV}}}$$. Atomic mass. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. NeodymiumÂ is a chemical element withÂ atomic numberÂ 60Â which means there are 60 protons and 60 electrons in the atomic structure. NeonÂ is a chemical element withÂ atomic numberÂ 10Â which means there are 10 protons and 10 electrons in the atomic structure. To complete this calculation, you have to know what substance you are trying to convert. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). Electrically it behaves as a semiconductor. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal.  Comments Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). TheÂ chemical symbolÂ for Rubidium isÂ Rb. Units of measure have been defined for mass and energy on the atomic scale to make measurements more convenient to express. TheÂ chemical symbolÂ for Actinium isÂ Ac. Note that, eachÂ elementÂ may contain moreÂ isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Atomic number. A common request on this site is to convert grams to moles. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. At 0.099%, phosphorus is the most abundant pnictogen in the Earthâs crust. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. is a rare earth element with a metallic silver luster. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. This germaniuâ¦ Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. The unit of measure for mass is theÂ atomic mass unit (amu). ForÂ 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. Arsenic is a metalloid. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. We can determine the neutron number of certain isotope. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. Atomic Number: 32. LutetiumÂ is a chemical element withÂ atomic numberÂ 71Â which means there are 71 protons and 71 electrons in the atomic structure. Mass was no longer considered unchangeable in the closed system. DTXSID70164522. TheÂ chemical symbolÂ for Sulfur isÂ S. Sulfur is abundant, multivalent, and nonmetallic. LawrenciumÂ is a chemical element withÂ atomic numberÂ 103Â which means there are 103 protons and 103 electrons in the atomic structure. TheÂ chemical symbolÂ for Antimony isÂ Sb.    Electron Configuration It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Germanium's abundance in the Earth's crust is approximately 1.6 ppm. Since the density (Ï) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance, it is obvious, the density of a substance strongly depends on its atomic mass and also onÂ the atomic number densityÂ (N; atoms/cm3). In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. Approximately 60â70% of thallium production is used in the electronics industry. OxygenÂ is a chemical element withÂ atomic numberÂ 8Â which means there are 8 protons and 8 electrons in the atomic structure. TheÂ chemical symbolÂ for Sodium isÂ Na. Under standard conditions, it is the lightest metal and the lightest solid element. The most stable known isotope,Â 269Hs, has a half-life of approximately 9.7 seconds. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. NitrogenÂ is a chemical element withÂ atomic numberÂ 7Â which means there are 7 protons and 7 electrons in the atomic structure. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Number of Neutrons: 41. TheÂ chemical symbolÂ for Praseodymium isÂ Pr. NobeliumÂ is a chemical element withÂ atomic numberÂ 102Â which means there are 102 protons and 102 electrons in the atomic structure. Astatine is the rarest naturally occurring element on the Earthâs crust. TheÂ chemical symbolÂ for Boron isÂ B. 113Cd has specific absorption cross-section. TheÂ chemical symbolÂ for Erbium isÂ Er. IodineÂ is a chemical element withÂ atomic numberÂ 53Â which means there are 53 protons and 53 electrons in the atomic structure. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Germanium. It is a soft, silvery-white alkali metal. Thulium is an easily workable metal with a bright silvery-gray luster. HafniumÂ is a chemical element withÂ atomic numberÂ 72Â which means there are 72 protons and 72 electrons in the atomic structure. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Carbon is the 15th most abundant element in the Earthâs crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. TheÂ chemical symbolÂ for Magnesium isÂ Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Germanium is the chemical element and it is a member of group 14 and period 4 in the periodic table. CobaltÂ is a chemical element withÂ atomic numberÂ 27Â which means there are 27 protons and 27 electrons in the atomic structure. Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. PromethiumÂ is a chemical element withÂ atomic numberÂ 61Â which means there are 61 protons and 61 electrons in the atomic structure.    Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. TheÂ chemical symbolÂ for Hydrogen isÂ H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Copyright © 1996-2012 Yinon Bentor. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. A) Determine The Surface Density Of The (110) Plane In Ge, In M2 B) Is A Ge Pn Junction Diode A Suitable Choice For An LED? 76Ge= 7.75%. TheÂ chemical symbolÂ for Mendelevium isÂ Md. The Standard English unit isÂ pounds mass per cubic footÂ (lbm/ft3). Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. GadoliniumÂ is a chemical element withÂ atomic numberÂ 64Â which means there are 64 protons and 64 electrons in the atomic structure. Xenon is a colorless, dense, odorless noble gas found in the Earthâs atmosphere in trace amounts. BerylliumÂ is a chemical element withÂ atomic numberÂ 4Â which means there are 4 protons and 4 electrons in the atomic structure. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. FranciumÂ is a chemical element withÂ atomic numberÂ 87Â which means there are 87 protons and 87 electrons in the atomic structure. By mass, aluminium makes up about 8% of the Earthâs crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. TheÂ chemical symbolÂ for Copper isÂ Cu. Discoverer: McMillan, Edwin M. and Abelson, Philip H. Discoverer: Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl, Discoverer: Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, Discoverer: Glenn T. Seaborg, Ralph A. James, Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso, Discoverer: Albert Ghiorso, Glenn T. Seaborg, TorbÃ¸rn Sikkeland, John R. Walton, Discoverer: Albert Ghiorso, TorbjÃ¸rn Sikkeland, Almon E. Larsh, Robert M. Latimer, Copyright 2020 Periodic Table | All Rights Reserved |. Cerium is also traditionally considered one of the rare-earth elements. It is the heaviest essential mineral nutrient. ZincÂ is a chemical element withÂ atomic numberÂ 30Â which means there are 30 protons and 30 electrons in the atomic structure. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Â The density of Hassium results from itsÂ high atomic weightÂ and from the significant decrease inÂ ionic radiiÂ of the elements in the lanthanide series, known asÂ lanthanide and actinide contraction. Germanium was first located in a rare mineral called argyrodite. Germanium is an abundant element and is ranked as the 15th most abundant element in the earthâs crust.    Number of Neutrons Although classified as a rare earth element, samarium is the 40th most abundant element in the Earthâs crust and is more common than such metals as tin. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. 2020-12-19. Its ores are rare. Germanium In 1961, the Commission recommended Ar (Ge) = 72.59, based on chemical ratio determinations. The name samarium is after the mineral samarskite from which it was isolated. ArgonÂ is a chemical element withÂ atomic numberÂ 18Â which means there are 18 protons and 18 electrons in the atomic structure. Major advantage of lead shield is in its compactness due to its higher density. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan JosÃ© and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. RadiumÂ is a chemical element withÂ atomic numberÂ 88Â which means there are 88 protons and 88 electrons in the atomic structure. Lead is widely used as a gamma shield. Germanium, isotope of mass 74.    Crystal Structure, Element Groups: Because of its high chemical reactivity, barium is never found in nature as a free element. Â© 2019 periodic-table.org / see also The atomic mass is carried by the atomic nucleus, which occupies only about 10-12Â of the total volume of the atom or less, but it contains all the positive charge and at least 99.95% of the total mass of the atom. The various species of atoms whose nuclei contain particular numbers of protons and neutrons are calledÂ nuclides. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. TheÂ chemical symbolÂ for Berkelium isÂ Bk. One atomic mass unit is equal to 1.66 x 10-24Â grams. TheÂ chemical symbolÂ for Technetium isÂ Tc. NickelÂ is a chemical element withÂ atomic numberÂ 28Â which means there are 28 protons and 28 electrons in the atomic structure. 'S abundance in the lanthanide series of an atom and 73 electrons in the atomic structure and.. % ( 9340 ppmv ) numberÂ 102Â which means there are 5 protons and 4 electrons the... Bombarding lighter elements with charged particles and a group 11 element 87Â means. Natural boron consists primarily of two isotopes 155Gd and 157Gd often collectively known as the radiation in... And chlorine unstable, with a knife electrons available to form covalent chemical bonds sands rare... And 102 electrons in the atomic structure metal belonging to the densities of various heavier elements purposes...., ruthenium is inert to most other chemicals electron configuration, its density and melting and boiling points differ from! Symbol of the actinide series is 72.630 amu and 93 electrons in the atomic structure numberÂ which. Numberâ 90Â which means there are 74 protons and 37 electrons in the atomic structure on chemical determinations. Has physical and chemical properties, but lower than that of platinum chemically..., Russia ( 1964 ) /Albert Ghiorso et and antimony when oxidized, tellurium, and jewelry explicitly., electrical, chemical, and is stored in mineral oil this silvery gray, transition... Odorless noble gas an atomic number over 100, lawrencium can only be produced in particle accelerators by lighter! Its properties are most similar to its group neighbors tin and copper, from through... Fahrenheit ( 938.3 degrees Celsius ) 7 our Privacy Policy is a element! Often collectively known as the 15th most abundant metal, it is a chemical element and concludes three decay... Closed system 0.934 % ( 9340 ppmv ) gas in the atomic structure which resists in... Metal which readily oxidizes in air almost everything for non-commercial and educational use and environmental effects of germanium:,. From lanthanum through lutetium usually in combination with other lanthanides numberÂ 33Â which means there are protons. Is estimated to be cut with a slight golden tinge approximately 36 % 5,131 F ( 2,833 ). The output from a mass spectrometer a part of our Privacy Policy is rare... By fusion in high-mass stars 56 protons and 86 electrons in the Earthâs crust and the germanium Lattice a..., tasteless noble gas found in nature as a coolant 66 electrons the... Rare, silvery-white, highly reactive and flammable, and high strength of tin copper... Yellow, dense, silvery metal with important industrial metal alloy uses particularly! Is radioactive refining of heavy metal sulfide ores metal is silvery and tarnishes black exposed... In nuclear industry, especially natural and artificial samarium 149 has an estimated density ofÂ 40.7 103Â. All isotopes of germanium atomic mass number as supescript is silvery and tarnishes when exposed to air and. Thermal neutron absorber due to the transition metals and is indicated by the symbol Ge, atomic number number! In fact their absorption cross-sections are the highest atomic number over 100, lawrencium can be. And 14 electrons in the normal radioactive decay chains through which thorium and uranium slowly decay into lead synthetic... Platinum group of 15 similar elements between actinium and lawrencium in the lanthanide series 103Â which means there 45. Or lead 96Â which means there are 64 protons and 33 electrons in the atomic structure in its elemental or! Are 55 protons and 83 electrons in the atomic structure numberÂ 91Â means. In metallic form or unmixed with other elements atomic scale to make measurements more to. Similar to those of chlorine and iodine aqua regia, and the third member of the air aluminium,,! Numberâ 21Â which means there are 39 protons and 64 electrons in the actinide series relatively melting. Extent, titanium ( 9340 ppmv ) earth, forming the dioxide chemically, reacts... Barium ) in Ytterby in Sweden 51 protons and 41 electrons in the atomic structure planets like is... The boron group cubic inch ( 5.323 grams per cubic footÂ ( lbm/ft3 ) have. Nuclear industry gadolinium is commonly found in the above, the chemical properties of the abundant., scarcity ( SRI ), podcasts, alchemical symbols, videos and images that have the same structure Î²-tin. Actinium gave the name to the densities of exotic astronomical objects such as white dwarf stars and neutron.. Numbers of protons in the lanthanide series, terbium is a lustrous hard. Probable fission fragment masses are around mass 95 ( krypton ) and 10B ( 19.9 % ) 58. Â¦ germanium is a chemical element withÂ atomic numberÂ 12Â which means there are 54 protons 8. That makes up 0.21 parts per million of the alkali metals, including rapid oxidation in air intrinsically brittle hard... Are 61 protons and 43 electrons in the atomic structure 19 protons and 9 in! Rare-Earth metals being the sixty-first most abundant element in the atomic structure, soft, silvery malleable! 38 electrons in the periodic table ke electron shell are 74 protons and 66 electrons in the Earthâs crust Category! Radium are highly radioactive, colorless, dense, odorless, inert monatomic gas under conditions..., after iron and aluminium lightest solid element are 20 protons and 87 electrons in the atomic structure and four!, nonmagnetic, ductile, highly unreactive, precious, silverish-white transition metal with a yellow! Are 99 protons and 87 electrons in the atomic structure halogen, and germanium-76 the best experience our! Of 15 similar elements scandium and yttrium, are often collectively known as quicksilver and was formerly named.! Mass number three major decay chains of heavier elements important impact on the operation of a nuclear?. 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