Antimony
Antimony
0 posts
0 projects
Antimony ΒΆ
AtomicNumber: 51
Element: Antimony
Symbol: Sb
AtomicMass: 121.76
NumberofNeutrons: 71
NumberofProtons: 51
NumberofElectrons: 51
Period: 5
Group: 15.0
Phase: solid
Radioactive: nan
Natural: yes
Metal: nan
Nonmetal: nan
Metalloid: yes
Type: Metalloid
AtomicRadius: 1.5
Electronegativity: 2.05
FirstIonization: 8.6084
Density: 6.69
MeltingPoint: 904.05
BoilingPoint: 1860.0
NumberOfIsotopes: 29.0
Discoverer: Early historic times
Year: nan
SpecificHeat: 0.207
NumberofShells: 5
NumberofValence: 5.0