Chromium

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Chromium
Cr
In situ availability:
Necessity:
Atomic number: 24
Atomic mass: 51.9961
group: 6
period: 4
normal phase: Solid
series: Transition Metals
density: 7.15 g/cm3
melting point: 2180K,
1907°C,
3465°F
boiling point: 2944K,
2671°C,
4840°F
N/AN/AN/A
V ← Cr → Mn
NbMoTc
Atomic radius (pm): 140
Bohr radius (pm): 166
Covalent radius (pm): 127
Van der Waals radius (pm):
ionic radius (pm): (+3) 62
1st ion potential (eV): 6.77
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d5
4s1
Electrons Per Shell
2, 8, 13, 1
Electronegativity: 1.66
Electron Affinity: 0.67
Oxidation states: 6, 3, 2
Magnetism: Antiferromagnetic w/Spin Density Wave
Crystal structure: Body centered cubic

Chromium is a Transition Metal in group 6. It has a Body centered cubic crystalline structure. This element has 4 stable isotopes: 50, 52, 53, and 54.




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