Chromium
Chromium
0 posts
0 projects
Chromium ΒΆ
AtomicNumber: 24
Element: Chromium
Symbol: Cr
AtomicMass: 51.996
NumberofNeutrons: 28
NumberofProtons: 24
NumberofElectrons: 24
Period: 4
Group: 6.0
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Transition Metal
AtomicRadius: 1.9
Electronegativity: 1.66
FirstIonization: 6.7665
Density: 7.15
MeltingPoint: 2130.15
BoilingPoint: 2944.0
NumberOfIsotopes: 9.0
Discoverer: Vauquelin
Year: 1797.0
SpecificHeat: 0.449
NumberofShells: 4
NumberofValence: nan