Difference between revisions of "Germanium"

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Latest revision as of 01:45, 28 September 2007

Germanium
Ge
In situ availability: trace
Necessity:
Atomic number: 32
Atomic mass: 72.61
group: 14
period: 4
normal phase: Solid
series: Metalloids
density: 5.323 g/cm3
melting point: 1211.40K,
938.25°C,
1720.85°F
boiling point: 3106K,
2833°C,
5131°F
AlSiP
Ga ← Ge → As
InSnSb
Atomic radius (pm): 125
Bohr radius (pm): 125
Covalent radius (pm): 122
Van der Waals radius (pm):
ionic radius (pm): (+4) 53
1st ion potential (eV): 7.90
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p2
Electrons Per Shell
2, 8, 18, 4
Electronegativity: 2.01
Electron Affinity: 1.23
Oxidation states: 4
Magnetism: ?
Crystal structure: Face centered cubic

Germanium is a Metalloid in group 14. It has a Face centered cubic crystalline structure. This element has 5 stable isotopes: 70, 72, 73, 74, and 76.




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