Common Uses Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Isotope abundances of germanium. Germanium is a chemical element with Ge as its symbol. of protons = mass number. The atomic number of an element never changes, meaning that the number of protons in the nucleus of every atom in an element is always the same. It is a gray-white metalloid. Germanium fluoride (GeF 2) Germanium dioxide (GeO 2) Germanium hydride (Ge 2 H 6) Germanium tetrachloride (GeCl 4) Interesting facts: In its natural state it is brittle and crystalline. : Number of neutrons + no. It belongs to group 14 of the periodic table and its atomic number is 32. = 32. therefore, the no. Its ores are rare. This is not to be confused with the relative percentage isotope abundances which totals 100% for all the naturally occurring isotopes. 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 … Isotopes differ from each other according to their mass number. It is less abundant than either tin or lead. = 70. atomic no. Of these, 76 Ge is very slightly radioactive, decaying by double beta decay with a half-life of 1.78 × 10 21 years (130 billion times the age of the universe). It forms a large number of organometallic compounds. Germanium was first located in a rare mineral called argyrodite. Other compounds include: Germanium dichloride Ge Cl 2, Germanium dioxide GeO 2, Germanium tetrachloride GeCl 4 this is very irritating to eyes and membranes. Germanium is a chemical element with symbol Ge and atomic number 32. Atomic number (number of protons in the nucleus): 32; Atomic symbol (on the periodic table of elements): Ge Thus, at room temperature in Ge (Si), one atom out of about 10 9 (10 12 ) contributes one electron-hole pair through breaking of covalent bond. The number of atoms/cm 2 in Ge or Si is of the the order of 10 22. However, today it is primarily obtained from the smelting of zinc ores and as a byproduct of burning certain types of coal. Isotopes are two or more forms of an element. Germaine is a hazardous substance UN2192 which is classified as a poisonous gas (2.3). Just the facts. Element Germanium (Ge), Group 14, Atomic Number 32, p-block, Mass 72.630. Classified as a metalloid, Germanium is a solid at room temperature. Germanium Page One. It's an element that was predicted by Mendeleev in 1871. Stable 74 Ge is the most common isotope, having a natural abundance of approximately 36%. At room temperature (300 K), for Ge (Si) per cm 3 . There are five naturally occurring isotopes of germanium: germanium-70, germanium-72, germanium-73, germanium-74, and germanium-76. It is also a flammable gas (2.1). Predicted by Mendeleev in 1870, germanium was actually found in 1886 by Winkler. Germanium is a lustrous hard metalloid element, belongs to group 14 of the periodic table. Germanium Basic Facts . Overview of Germanium In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer. Germanium Menu. Germanium (32 Ge) has five naturally occurring isotopes, 70 Ge, 72 Ge, 73 Ge, 74 Ge, and 76 Ge. All atoms have a mass number which is derived as follows. ››More information on molar mass and molecular weight. SO; in your question we have: mass no. Properties, sources and uses of the element germanium. 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