Category
alkali metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s¹
Valence Electrons
1
Lewis Dot:•
Electronegativity
0.82
Pauling scale
Oxidation States
+1
Melting Point
312.45 K
39.30°C
Boiling Point
961 K
687.85°C
Density
1.532
g/cm³
Position in Table
Group 1Period 5s-block
Discovery
Historical Information
Discovered byRobert Bunsen, Gustav Kirchhoff
Year1861
Common Uses
Applications & Industries
Atomic clocks, photocells, vacuum tubes, research
Related Elements
Same group or period
Related Calculators
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