Category
alkaline earth metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s²
Valence Electrons
2
Lewis Dot:••
Electronegativity
0.9
Pauling scale
Oxidation States
+2
Melting Point
973 K
699.85°C
Boiling Point
2010 K
1736.85°C
Density
5.5
g/cm³
Position in Table
Group 2Period 7s-block
Discovery
Historical Information
Discovered byMarie Curie, Pierre Curie
Year1898
Common Uses
Applications & Industries
Historical cancer treatment, luminous paints, radon source
Related Elements
Same group or period
Related Calculators
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