Scandium
Scandium
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Scandium ΒΆ
AtomicNumber: 21
Element: Scandium
Symbol: Sc
AtomicMass: 44.956
NumberofNeutrons: 24
NumberofProtons: 21
NumberofElectrons: 21
Period: 4
Group: 3.0
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Transition Metal
AtomicRadius: 2.1
Electronegativity: 1.36
FirstIonization: 6.5615
Density: 2.99
MeltingPoint: 1812.15
BoilingPoint: 3109.0
NumberOfIsotopes: 15.0
Discoverer: Nilson
Year: 1878.0
SpecificHeat: 0.568
NumberofShells: 4
NumberofValence: nan