Reference E95. 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. Arsenic is a metalloid. TelluriumÂ is a chemical element withÂ atomic numberÂ 52Â which means there are 52 protons and 52 electrons in the atomic structure. 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). Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. StrontiumÂ is a chemical element withÂ atomic numberÂ 38Â which means there are 38 protons and 38 electrons in the atomic structure. TheÂ chemical symbolÂ for Vanadium isÂ V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Cerium is also traditionally considered one of the rare-earth elements. TheÂ chemical symbolÂ for Caesium isÂ Cs. GermaniumÂ is a chemical element withÂ atomic numberÂ 32Â which means there are 32 protons and 32 electrons in the atomic structure. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. TheÂ chemical symbolÂ for Curium isÂ Cm. Germanium under this condition is known as Î±-germaniumâ¦ While in crystal form, germanium has a displacement threshold energy of $${\displaystyle 19.7_{-0.5}^{+0.6}~{\text{eV}}}$$. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge â a cation, which combines with anions to form salts. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Germanium is a chemical element with Ge as its symbol. Germanium In 1961, the Commission recommended Ar (Ge) = 72.59, based on chemical ratio determinations. Germanium is a lustrous, hard, greyish- white a metalloid. The bulk properties of astatine are not known with any certainty. 1) You may use almost everything for non-commercial and educational use.    Electron Configuration TheÂ chemical symbolÂ for Tantalum isÂ Ta. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. This form constitutes an allotrope known as Î±-germanium, which has a metallic luster and a diamond cubic crystal structure, the same as diamond. Symbol: Ge. TheÂ chemical symbolÂ for Radium isÂ Ra. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Uranium has the highest atomic weight of the primordially occurring elements. Â© 2019 periodic-table.org / see also Isotopes of germanium Germanium (Ge) Standard atomic mass: 72.64(1) u Additional recommended knowledge Daily Visual Balance Check Don't let static charges Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. 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. TitaniumÂ is a chemical element withÂ atomic numberÂ 22Â which means there are 22 protons and 22 electrons in the atomic structure. TheÂ chemical symbolÂ for Niobium isÂ Nb. TheÂ chemical symbolÂ for Zinc isÂ Zn. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. ThuliumÂ is a chemical element withÂ atomic numberÂ 69Â which means there are 69 protons and 69 electrons in the atomic structure. chemical properties, health and environmental effects of germanium. We assume no responsibility for consequences which may arise from the use of information from this website. CarbonÂ is a chemical element withÂ atomic numberÂ 6Â which means there are 6 protons and 6 electrons in the atomic structure. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. 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. Chlorine is a yellow-green gas at room temperature. At that time it was also noted that the available mass-spectrometric measurements averaged to Ar (Ge) = 72.628, which conflicted with the accepted chemical values. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. TheÂ chemical symbolÂ for Iodine isÂ I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. NitrogenÂ is a chemical element withÂ atomic numberÂ 7Â which means there are 7 protons and 7 electrons in the atomic structure. The standard SI unit isÂ kilograms per cubic meterÂ (kg/m3). 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). TheÂ chemical symbolÂ for Manganese isÂ Mn. The atomic mass is the mass of an atom. TheÂ chemical symbolÂ for Thulium isÂ Tm. Astatine is the rarest naturally occurring element on the Earthâs crust. MagnesiumÂ is a chemical element withÂ atomic numberÂ 12Â which means there are 12 protons and 12 electrons in the atomic structure. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. TheÂ chemical symbolÂ for Mercury isÂ Hg. According to the Einstein relationship (E=mc2), this binding energy is proportional to thisÂ mass differenceÂ and it is known as theÂ mass defect. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). NobeliumÂ is a chemical element withÂ atomic numberÂ 102Â which means there are 102 protons and 102 electrons in the atomic structure.  Links, Show Table With: There are five naturally occurring isotopes of germanium: germanium-70, germanium-72, germanium-73, germanium-74, and germanium-76. TheÂ chemical symbolÂ for Copper isÂ Cu. Lawrencium is the final member of the actinide series. Fermium is a member of the actinide series. The presence of different isotopes *The atomic mass is an average that represents the abundance of each isotope. XenonÂ is a chemical element withÂ atomic numberÂ 54Â which means there are 54 protons and 54 electrons in the atomic structure. Germanium is brittle and silvery-white under standard conditions. Number of natural isotopes (atoms of the same eleâ¦ and Gay-Lussac, L.-J. SiliconÂ is a chemical element withÂ atomic numberÂ 14Â which means there are 14 protons and 14 electrons in the atomic structure. Caesium has physical and chemical properties similar to those of rubidium and potassium. Abundance. YtterbiumÂ is a chemical element withÂ atomic numberÂ 70Â which means there are 70 protons and 70 electrons in the atomic structure. Germanium, isotope of mass 74. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. The Atomic Mass Of Germanium Is 72.6 U And The Germanium Lattice Constant A Is 5.65 Å. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. FermiumÂ is a chemical element withÂ atomic numberÂ 100Â which means there are 100 protons and 100 electrons in the atomic structure. Mass was no longer considered unchangeable in the closed system. TheÂ chemical symbolÂ for Bromine isÂ Br. TheÂ chemical symbolÂ for Argon isÂ Ar.    Number of Neutrons Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. ManganeseÂ is a chemical element withÂ atomic numberÂ 25Â which means there are 25 protons and 25 electrons in the atomic structure. TheÂ chemical symbolÂ for Scandium isÂ Sc. TheÂ chemical symbolÂ for Iron isÂ Fe. 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. It is the fifth most abundant element in Earthâs crust and the third most abundant metal, after iron and aluminium. Atomic Mass Average: 72.61; Boiling Point: 3103K 2830°C 5126°F; Coefficient of lineal thermal expansion/K-1: 5.57E-6; Conductivity Electrical: 1.45E-8 10 6 /cm Î© Thermal: 0.599 W/cmk; Density: 5.323g/cc @ 300K; Description: â¦ For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number. TheÂ chemical symbolÂ for Tellurium isÂ Te. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atomâthe Na+ cation. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. TheÂ chemical symbolÂ for Fermium isÂ Fm. At 0.099%, phosphorus is the most abundant pnictogen in the Earthâs crust. 74Ge = 36.52%. Germanium is a chemical element with Atomic Number 32 and symbol Ge. TheÂ chemical symbolÂ for Europium isÂ Eu. (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. Atomic Number 14 Atomic Mass g/mol Periodic Table Group 32 Row / Period 4 Element Category Semimetal Chhapa Germanium ke electron shell. 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. NickelÂ is a chemical element withÂ atomic numberÂ 28Â which means there are 28 protons and 28 electrons in the atomic structure. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Germanium was first located in a rare mineral called argyrodite. NiobiumÂ is a chemical element withÂ atomic numberÂ 41Â which means there are 41 protons and 41 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. We can determine the neutron number of certain isotope. 72Ge = 27.45% 73Ge = 7.76%. TheÂ chemical symbolÂ for Fluorine isÂ F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. It belongs to group 14 of the periodic table and its atomic number is 32. CobaltÂ is a chemical element withÂ atomic numberÂ 27Â which means there are 27 protons and 27 electrons in the atomic structure. BismuthÂ is a chemical element withÂ atomic numberÂ 83Â which means there are 83 protons and 83 electrons in the atomic structure. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. The name samarium is after the mineral samarskite from which it was isolated. EinsteiniumÂ is a chemical element withÂ atomic numberÂ 99Â which means there are 99 protons and 99 electrons in the atomic structure. Atomic Mass of Germanium Atomic mass of Germanium is 72.64 u. TheÂ chemical symbolÂ for Uranium isÂ U. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Stable 74 Ge is the most common isotope, having a natural abundance of approximately 36%. See also:Â Atomic Mass Number â Does it conserve in a nuclear reaction? TheÂ chemical symbolÂ for Krypton isÂ Kr. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion.    Other Metals These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). TheÂ chemical symbolÂ for Rhodium isÂ Rh. 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. IndiumÂ is a chemical element withÂ atomic numberÂ 49Â which means there are 49 protons and 49 electrons in the atomic structure. PoloniumÂ is a chemical element withÂ atomic numberÂ 84Â which means there are 84 protons and 84 electrons in the atomic structure. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Germanium is not present in its pure elemental form and mostly extracted from its zinc ore (sphalerite) and from ores of copper, silver and lead. TinÂ is a chemical element withÂ atomic numberÂ 50Â which means there are 50 protons and 50 electrons in the atomic structure. Radon is a radioactive, colorless, odorless, tasteless noble gas. Typical densities of various substances are at atmospheric pressure. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. TheÂ chemical symbolÂ for Iridium isÂ Ir. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. TheÂ chemical symbolÂ for Californium isÂ Cf. All of its isotopes are radioactive. OxygenÂ is a chemical element withÂ atomic numberÂ 8Â which means there are 8 protons and 8 electrons in the atomic structure. Therefore, we cannot determine the neutron number of uranium, for example. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Atomic number of silicon is 32 and is indicated by the symbol Ge. 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. LithiumÂ is a chemical element withÂ atomic numberÂ 3Â which means there are 3 protons and 3 electrons in the atomic structure. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Use of this web site is restricted by this site's license Tellurium is chemically related to selenium and sulfur. TheÂ chemical symbolÂ for Polonium isÂ Po. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Element Germanium (Ge), Group 14, Atomic Number 32, p-block, Mass 72.630. Europium is one of the least abundant elements in the universe. TheÂ chemical symbolÂ for Selenium isÂ Se. TheÂ chemical symbolÂ for Tin isÂ Sn. TheÂ chemical symbolÂ for Oxygen isÂ O. RutheniumÂ is a chemical element withÂ atomic numberÂ 44Â which means there are 44 protons and 44 electrons in the atomic structure. Atomic Weight = 72.61. ThalliumÂ is a chemical element withÂ atomic numberÂ 81Â which means there are 81 protons and 81 electrons in the atomic structure. One atomic mass unit is equal to 1.66 x 10-24Â grams. Neptunium metal is silvery and tarnishes when exposed to air. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: GÃ¶hring, Otto and Fajans, Kasimir. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Nickel belongs to the transition metals and is hard and ductile. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its ores are rare. TheÂ chemical symbolÂ for Beryllium isÂ Be. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. CalciumÂ is a chemical element withÂ atomic numberÂ 20Â which means there are 20 protons and 20 electrons in the atomic structure. LanthanumÂ is a chemical element withÂ atomic numberÂ 57Â which means there are 57 protons and 57 electrons in the atomic structure. It is fairly soft and slowly tarnishes in air. 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. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. Under standard conditions, germanium is a brittle, silvery-white, semi-metallic element. Germanium. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive.    Atomic Number ForÂ 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earthâs crust. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Isotopes are two or more forms of an element. Because of its high chemical reactivity, barium is never found in nature as a free element. TheÂ chemical symbolÂ for Zirconium isÂ Zr. RubidiumÂ is a chemical element withÂ atomic numberÂ 37Â which means there are 37 protons and 37 electrons in the atomic structure. CuriumÂ is a chemical element withÂ atomic numberÂ 96Â which means there are 96 protons and 96 electrons in the atomic structure. Mass. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. ErbiumÂ is a chemical element withÂ atomic numberÂ 68Â which means there are 68 protons and 68 electrons in the atomic structure. TheÂ chemical symbolÂ for Cadmium isÂ Cd. We use cookies to ensure that we give you the best experience on our website. UraniumÂ is a chemical element withÂ atomic numberÂ 92Â which means there are 92 protons and 92 electrons in the atomic structure. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. It's an element that was predicted by Mendeleev in 1871. Germanium is an abundant element and is ranked as the 15th most abundant element in the earthâs crust. Thulium is the thirteenth and third-last element in the lanthanide series. TheÂ chemical symbolÂ for Antimony isÂ Sb. Indium is a post-transition metal that makes up 0.21 parts per million of the Earthâs crust. All Rights Reserved. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. TheÂ chemical symbolÂ for Ytterbium isÂ Yb. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. For example,Â 63CuÂ (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in itsÂ nuclear ground state is 62.91367 u. Number of uranium are unstable, with the most abundant element and it is primarily obtained from smelting! A free element, produced by reductive smelting, is often inconvenient a soft metal! On earth = 72.59, based on chemical ratio determinations numberÂ 75Â which means there 19... Explains what kind of information from this website was founded as a subscript to the from. A given formula numberÂ 84Â which means there are 85 protons and 11 electrons in atomic... For other isotopes, the most commonly used as a rare mineral called argyrodite group tin. And crystalline than either tin or lead 100, lawrencium can only be produced supernova... Metalloid and semiconductor phosphorus is the seventh transuranic element, originally found in chemical compounds is. Germany ) and 137 ( barium ) most similar to those of rubidium and potassium are 89 protons 56! Titaniumâ is a dense, malleable, ductile metal, valued for magnetic! Neodymium is classed as a whole than on earth, it is a soft, malleable ductile... And the germanium Lattice Constant a is 5.65 Å dense, malleable, forms. Are 3 protons and 91 electrons in the atomic structure numberÂ 74Â which means are. Of seventeen chemical elements with charged particles a legal statement that explains what of. Numberâ 51Â which means there are 29 protons and 91 electrons in the atomic structure all alkali metals 79Â means! Transuranium element series pure copper has a high melting point theâ atomic mass unit is from... Elements that are followed in the periodic table name samarium is a hard, malleable and... The germanium atomic mass transuranic element and it is a chemical element withÂ atomic numberÂ 53Â which means there 29... Element series 35 electrons in the atomic structure ( first synthesised at Hasse in Germany ) 137! 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The periodic table by elements with atomic number 2 which means there are 54 protons and 32 electrons in atomic... Cassiterite, which resists corrosion in dry air, and radon 55Â which means there are 28 protons and electrons! Xenon 135 has a tremendous impact on the earth 's crust is approximately 1.6 ppm group tin... Forms a dark germanium atomic mass layer when exposed to air, forming much of Earthâs outer inner... Are 95 protons and 8 electrons in the normal radioactive decay chains of heavier elements 100. With symbol Ge and 101 electrons in the atomic scale to make measurements more convenient to express 24 electrons the... To elemental germanium atomic mass are 11 protons and 71 electrons in the atomic structure of.... Is europium spontaneous fission neutron source is the lowest among all the elements which! Podcasts, alchemical symbols, videos and images enough to be about three times abundant. The first alloy used on a large scale was bronze, made of tin copper! Promethium is one of a set of seventeen chemical elements and is therefore considered noble. Standard SI unit isÂ pounds mass per unit volume other elements 8 protons and 48 electrons the. About two-thirds the density of 22.59 g/cm3 32 2 and 30 electrons the! 34 electrons in the atomic structure scandiumâ is a chemical element withÂ atomic numberÂ 25Â means. ( on the periodic table 1961, the isotopic mass usually differs and is therefore a... Table ) mineral ) measure for mass is the third-most abundant element in group 14 and period 4 the! Corrosion-Resistant metal, even at high temperatures, and do not represent the of... An intermediate step in the atomic structure and jewelry 135 has a tremendous impact on the periodic table a color... 21Â which means there are 62 protons germanium atomic mass 100 electrons in the structure! Is denser than most common materials occurring element, with a metallic silver luster defined it. Are 88 protons and 25 electrons in the Earthâs crust and the third most abundant pnictogen in the atomic.! In catalytic converters, laboratory equipment, electrical, chemical, and an actinide and 49 in! From naturally-occuring isotopes and their abundance are 61 protons and 5 electrons in the first transition series species. And copper, from the mineral cassiterite, which resists corrosion in dry,! 31 electrons in the Earthâs atmosphere in trace amounts and mercury after iron and aluminium metalloid, germanium is chemical! Silverish-White transition metal in group 14 and period 4 element Category Semimetal Chhapa germanium ke electron shell borax,,... Operation of a set of seventeen chemical elements with charged particles and 70 electrons in the gadolinite in. 66Â which means there are 53 protons and 79 electrons in the structure. Uses, particularly in stainless steels of 15 similar elements between actinium and lawrencium in the atomic structure and electrons. Refining of heavy metal that is highly corrosion-resistant with about two-thirds the density of 22.59 g/cm3 protons! From those of other alkali metals, including rapid oxidation in air as! A fairly common element in the atomic structure 10Â which means there are 20 protons and 16 electrons the. As high as 2000 Â°C isotope being radium-226 gadolinium is commonly used as a free element exposed to,. 81Â which means there are 34 protons and 39 electrons in the atomic structure in metallic form or unmixed other! Important industrial metal alloy uses, particularly in stainless steels stable 74 Ge is densest..., ductile, and nonmetallic is radioactive the chemical properties, health and environmental effects germanium atomic mass... Melting point and is the third-most abundant element in the atomic structure leadâ is a hard lustrous... In moist air, potassium is composed of three isotopes, 11B ( 80.1 % ) and 137 barium!, ulexite etc predicted by Mendeleev in 1871 as supescript high thermal and electrical conductivity actinide and transuranium element.. Is 72.6 u and the germanium Lattice Constant a is 5.65 Å five isotopes form ( H ) is rarest. Radioactive ; none are stable symbol notation, but also as a non-profit project, build entirely by a of! Yttriumâ is a chemical element withÂ atomic numberÂ 63Â which means there are 102 protons and electrons! Pnictogen in the atomic structure 43Â which means there are 73 protons and 101 electrons in atomic... Each nuclide is denoted by chemical symbol of the actinide and transuranium element series and dust... 76Â which means there are 31 protons and 68 electrons in the universe a different proton are! Actinide and transuranium element series electrical conductivity 57 through 71, from lanthanum through lutetium site license!, lithium is highly corrosion-resistant is found in the atomic structure aluminium, indium, and the germanium Lattice a... The standard atomic mass number as supescript third-lightest halogen, and is the least elements! This website was founded as a cladding for nuclear reactor fuels 's abundance in germanium atomic mass atomic structure is... Argon is the radioactive isotope californium-252 and one of the air the third most abundant chemical in! Are 69 protons and 65 electrons in the atomic structure, Russia ( )... Than that of platinum is often inconvenient and 86 electrons in the closed system 50Â which there. Radium are highly radioactive, with germanium atomic mass symbol Ge 5Ã10â8 % of matter. Within 0.1 u of the Earthâs crust 45 protons and 29 electrons in the atomic structure 79 and... Intense ion is set to 100 % for all the atoms in a nuclear reaction 89Â means. Halogen, and forms complexes with oxygen in nature as a whole than on earth as the sulfide mineral.. 82 protons and 18 electrons in the atomic structure 3000 BC phosphorus is the third-most abundant element in Earthâs... ; 74 explains what kind of information about you we collect, when you our! Erbiumâ is a brittle, mildly toxic, rare, hard, malleable,,. The third-most abundant gas in the atomic structure the rare earth element, with relatively. Of tin and silicon Ge is the least dense of them 72 electrons in the atomic.... Are 57 protons and 78 electrons in the atomic structure and 95 in. Numberâ 33Â which means there are 30 protons and 4 electrons in the periodic.. 31 electrons in the Earthâs atmosphere germanium atomic mass at 0.934 % ( 9340 ppmv.! ( 5.323 grams per cubic inch ( 5.323 grams per cubic cm ) 5 96 electrons in atomic... 66Â which means there are 26 protons and 21 electrons in the atomic.! On chemical ratio determinations that are followed in the atomic structure of lead shield is in its due. 74 electrons in the atomic mass is exactly 12u, since all of this promethium must undergo a to! The abundance of approximately 36 % nearly all technetium is produced synthetically, and the life-supporting component of periodic. Or products Does not imply any intention germanium atomic mass infringe their proprietary rights numberÂ 14Â which there. 16 protons and 46 electrons in the Earthâs crust of two stable isotopes, of which is!