Category
alkali metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹
Valence Electrons
1
Lewis Dot:•
Electronegativity
0.79
Pauling scale
Oxidation States
+1
Melting Point
301.7 K
28.55°C
Boiling Point
944 K
670.85°C
Density
1.93
g/cm³
Position in Table
Group 1Period 6s-block
Discovery
Historical Information
Discovered byRobert Bunsen, Gustav Kirchhoff
Year1860
Common Uses
Applications & Industries
Atomic clocks, photoelectric cells, catalysts, drilling fluids
Related Elements
Same group or period
Related Calculators
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