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24Cr

Element 24

Chromium

Transition metals

Chromium is a chemical element with symbol Cr and atomic number 24.

Key data

Atomic number
24
Atomic mass
51.996 u
Group / Period
6 / 4
Block
d-block
Phase at STP
Solid
Density
7.19 g/cm³
Melting point
1906.8 °C
Boiling point
2670.8 °C
Electron configuration
[Ar] 3d5 4s1

Common uses

  • Stainless steel
  • Chrome plating
  • Green paint pigment

Discovery

Year: 1797

Discovered by: Louis Nicolas Vauquelin

Frequently asked questions

What is the atomic number of Chromium?

Chromium has atomic number 24. Its symbol is Cr and its atomic mass is 51.996 u.

What category of element is Chromium?

Chromium is classified as transition metals. It sits in group 6, period 4 of the periodic table.

What is Chromium used for?

Common uses of Chromium include: Stainless steel, Chrome plating, Green paint pigment.

When was Chromium discovered?

Chromium was discovered in 1797 by Louis Nicolas Vauquelin.

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