Category
alkali metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s¹
Valence Electrons
1
Lewis Dot:•
Electronegativity
0.7
Pauling scale
Oxidation States
+1
Melting Point
300 K
26.85°C
Boiling Point
950 K
676.85°C
Density
1.87
g/cm³
Position in Table
Group 1Period 7s-block
Discovery
Historical Information
Discovered byMarguerite Perey
Year1939
Common Uses
Applications & Industries
Research in atomic structure, spectroscopy
Related Elements
Same group or period
Related Calculators
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