Germanium

Title: Germanium
Category: Science & Technology | Words: 1231 | Pages: 5.2 (approximately 235 words/page)

Germanium

Germanium 32Ge72.64(1) The essentials · Name: germanium · Symbol: Ge · Atomic number: 32 · Atomic weight: 72.64 (1) · CAS Registry ID: 7440-56-4 · Group number: 14 · Group name: (none) · Period number: 4 · Block: p-block Here is a brief description of germanium. · Standard state: solid at 298 K · Colour: greyish white · Classification: Semi-metallic · Availability: germanium is available in several forms including chips, powder, and grains. Small and large samples of germanium grain can be purchased from Advent Research Materials via their web catalogue. The element is a …showed first 75 words of 1231 total…

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…showed last 75 words of 1231 total…by P. Mann = 5.469, quite in agreement with Mendeleev's calculation, according to which it should be about 5.5. The tetrachloride is a colorless, thin liquid of specific gravity 1.887 at 18.0° as measured by P. Mann. It does not solidify at -20°. Its boiling point is around 80° . . . From its composition GeCl4 and its specific gravity, its (molecular) volume is calculated as 113.3; Mendeleev prognosticated the specific gravity of EsCl4 to be about 1.9, the volume 113, the boiling point probably a little below 100°.

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