Germanium: Difference between revisions

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{{Elem_Infobox
{{Elem_Infobox
|elName= Germanium
|elName= Germanium
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>10</sup>4s<sup>2</sup>
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>10</sup>4s<sup>2</sup>
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'''Germanium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ge. Its [[atomic number]] (the number of [[proton]]s) is 32. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 72.64 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form.
'''Germanium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ge. Its [[atomic number]] (the number of [[proton]]s) is 32. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 72.64 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form.


Germanium is considered to be a member of the "Metalloid" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 2,833 °[[Celsius (unit)|C]] and a melting point of 938.25 °C.
Germanium is considered to be a member of the "Metalloid" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 2,833 °[[Celsius (unit)|C]] and a [[melting point]] of 938.25 °C.
==Electronics==
It was the first [[semiconductor]] used to make commercial [[transistor]]s.

Latest revision as of 20:58, 25 April 2011

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Germanium
72.64(1)



  Ge
32
1s22s22p63s23p63d104s2 4p2
[ ? ] Metalloid:
Properties:
Gray-white, crystalline and brittle.


Germanium is a chemical element, having the chemical symbol Ge. Its atomic number (the number of protons) is 32. It has a standard atomic weight of 72.64 g•mol −1 and is a solid in its elemental form.

Germanium is considered to be a member of the "Metalloid" class of element. At a pressure of 101.325 kPa, it has a boiling point of 2,833 °C and a melting point of 938.25 °C.

Electronics

It was the first semiconductor used to make commercial transistors.