germanium mass number

Classified as a metalloid, Germanium is a solid at room temperature. It is also a flammable gas (2.1). It is a gray-white metalloid. Germanium Menu. It forms a large number of organometallic compounds. Predicted by Mendeleev in 1870, germanium was actually found in 1886 by Winkler. Other compounds include: Germanium dichloride Ge Cl 2, Germanium dioxide GeO 2, Germanium tetrachloride GeCl 4 this is very irritating to eyes and membranes. : Number of neutrons + no. In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer. SO; in your question we have: mass no. It's an element that was predicted by Mendeleev in 1871. This is not to be confused with the relative percentage isotope abundances which totals 100% for all the naturally occurring isotopes. Overview of Germanium Properties, sources and uses of the element germanium. Germanium (32 Ge) has five naturally occurring isotopes, 70 Ge, 72 Ge, 73 Ge, 74 Ge, and 76 Ge. Isotope abundances of germanium. Germaine is a hazardous substance UN2192 which is classified as a poisonous gas (2.3). Germanium Basic Facts . ››More information on molar mass and molecular weight. = 32. therefore, the no. All atoms have a mass number which is derived as follows. Stable 74 Ge is the most common isotope, having a natural abundance of approximately 36%. 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. 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 … In pure form, the element is a grayish-white … Its ores are rare. Isotopes are two or more forms of an element. Isotopes differ from each other according to their mass number. Germanium is a lustrous hard metalloid element, belongs to group 14 of the periodic table. 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. of protons = mass number. There are five naturally occurring isotopes of germanium: germanium-70, germanium-72, germanium-73, germanium-74, and germanium-76. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Atomic number (number of protons in the nucleus): 32; Atomic symbol (on the periodic table of elements): Ge Germanium was first located in a rare mineral called argyrodite. At room temperature (300 K), for Ge (Si) per cm 3 . Just the facts. Germanium is a chemical element with symbol Ge and atomic number 32. Germanium Page One. 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 is less abundant than either tin or lead. It belongs to group 14 of the periodic table and its atomic number is 32. Element Germanium (Ge), Group 14, Atomic Number 32, p-block, Mass 72.630. Atomic Number: 32 Symbol: Ge Atomic Weight: 72.61; Discovery: Clemens Winkler 1886 (Germany) Electron Configuration: [Ar] 4s 2 3d 10 4p 2; Word Origin: Latin Germania: Germany Properties: Germanium has a melting point of 937.4 C, boiling point of 2830 C, specific gravity of 5.323 (25 C), with valences of 2 and 4. Common Uses = 70. atomic no. 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. Germanium is a chemical element with Ge as its symbol. 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