Information valid for Cr-52 unless otherwise noted
[ATOM]

Chromium

 [ATOM]

Basic Information


Symbol: Cr
Atomic Number: 24
Mass: 51.9961
Melting Point: 1857
Boiling Point: 2672
Number of Protons/Electrons: 24
Number of Neutrons: 28
Classification: Transition Metal
Crystal Structure: Cubic
Density: 7.19
Color: gray

Atomic Structure

[Bohr Model of Chromium]  
Number of Energy Levels: 4

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 13
    Fourth Energy Level: 1

Isotopes

Isotope Half Life
Cr-4942.3 minutes
Cr-50Stable
Cr-5127.7 days
Cr-52Stable
Cr-53Stable
Cr-54Stable

Facts


Date of Discovery: 1797
Discoverer: Louis Vauquelin
Name Origin: From the Greek word chrôma (color)
Uses: Stainless steel
Obtained From: Chromite

Related Links

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