Gallium: Difference between revisions

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'''Gallium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ga. Its [[atomic number]] (the number of [[proton]]s) is 31. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 69.723 g•mol<sup> −1</sup>. It is a brittle [[solid]] in its elemental form below its melting point of 29.76 °C.
'''Gallium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ga. Its [[atomic number]] (the number of [[proton]]s) is 31. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 69.723 g•mol<sup> −1</sup>. It is a brittle [[solid]] in its elemental form below its [[melting point]] of 29.76 °C.


Gallium is considered to be a member of the "Post-transition metal" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 2,204 °[[Celsius (unit)|C]].
Gallium is considered to be a member of the "Post-transition metal" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 2,204 °[[Celsius (unit)|C]].

Latest revision as of 21:17, 24 April 2011

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Gallium
69.723(1)



  Ga
31
1s22s22p63s23p63d104s2 4p1
[ ? ] Post-Transition Metal:
Properties:
Silvery metal.


Gallium is a chemical element, having the chemical symbol Ga. Its atomic number (the number of protons) is 31. It has a standard atomic weight of 69.723 g•mol −1. It is a brittle solid in its elemental form below its melting point of 29.76 °C.

Gallium is considered to be a member of the "Post-transition metal" class of element. At a pressure of 101.325 kPa, it has a boiling point of 2,204 °C.