Platinum: Difference between revisions

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imported>Milton Beychok
m (Expanded the electron configuration from its shortcut version to its full version.)
imported>Mark Widmer
(Opening paragraph revised to new standard: Phase, symbol, atomic no., and std. atomic weight.)
 
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'''Platinum''' is a [[Chemical elements|chemical element]], typically found as a [[Solid_(state_of_matter)|solid]] in its elemental form. It has the [[chemical symbol]] Pt, [[atomic number]] (number of [[protons]]) ''Z'' = 78, and a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 195.078 grams per mole.
'''Platinum''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Pt. Its [[atomic number]] (the number of [[proton]]s) is 78. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 195.078 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form.


Platinum is considered a member of the "Transition metal" class of elements. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 3,825 °[[Celsius (unit)|C]] and a [[melting point]] of 1,768.4 °C. Platinum is also considered a [[precious metal]] and is used as a [[catalysis|catalyst]] in many [[chemical reaction]]s.
Platinum is considered a member of the "Transition metal" class of elements. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 3,825 °[[Celsius (unit)|C]] and a [[melting point]] of 1,768.4 °C. Platinum is also considered a [[precious metal]] and is used as a [[catalysis|catalyst]] in many [[chemical reaction]]s.

Latest revision as of 20:13, 2 February 2021

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Platinum
195.078(2)



  Pt
78
1s22s22p63s23p63d104s24p6 4d105s25p64f145d96s1
[ ? ] Transition metal:
Properties:
Silvery-white, malleable and ductile metal.

Platinum is a chemical element, typically found as a solid in its elemental form. It has the chemical symbol Pt, atomic number (number of protons) Z = 78, and a standard atomic weight of 195.078 grams per mole.

Platinum is considered a member of the "Transition metal" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 3,825 °C and a melting point of 1,768.4 °C. Platinum is also considered a precious metal and is used as a catalyst in many chemical reactions.