Chromium: Difference between revisions

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imported>David Yamakuchi
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{{subpages}}
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{{Basic elemental info}}
{{Elem_Infobox
|elName=Chromium
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>5</sup>4s<sup>1</sup>
|no1=
|no2=
|no3=
|no4=
|properties=Steel-gray, lustrous, hard metal. Malleable and corrosion resistant. Multi-valent.
|compounds=
|uses=
|hazard= Hexavalent chromium is toxic.
}}
 
'''Chromium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Cr. Its [[atomic number]] (the number of [[proton]]s) is 24. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 51.9961 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form.
 
Chromium is considered to be a member of the "Transition metal" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 2,671 °[[Celsius (unit)|C]], and a [[melting point]] of 1,907 °C.[[Category:Suggestion Bot Tag]]

Latest revision as of 16:01, 28 July 2024

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Chromium
51.9961(6)



  Cr
24
1s22s22p63s23p63d54s1
[ ? ] Transition metal:
Properties:
Steel-gray, lustrous, hard metal. Malleable and corrosion resistant. Multi-valent.
Hazard:
Hexavalent chromium is toxic.


Chromium is a chemical element, having the chemical symbol Cr. Its atomic number (the number of protons) is 24. It has a standard atomic weight of 51.9961 g•mol −1 and is a solid in its elemental form.

Chromium is considered to be a member of the "Transition metal" class of element. At a pressure of 101.325 kPa, it has a boiling point of 2,671 °C, and a melting point of 1,907 °C.