Category
alkali metal
State at Room Temperature
solid
Electron Configuration
1s² 2s¹
Valence Electrons
1
Lewis Dot:•
Electronegativity
0.98
Pauling scale
Oxidation States
+1
Melting Point
453.65 K
180.50°C
Boiling Point
1603 K
1329.85°C
Density
0.534
g/cm³
Position in Table
Group 1Period 2s-block
Discovery
Historical Information
Discovered byJohan August Arfwedson
Year1817
Common Uses
Applications & Industries
Rechargeable batteries, ceramics, lubricants, psychiatric medication
Related Elements
Same group or period
Related Calculators
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