3
Li
λίθιο
lithium
6.94

General properties

Group
group 1 (H and alkali metals)
Period
period 2
Category
alkali metals
Standard atomic weight
6.94
[6.938, 6.997]
Melting point
453.65 K (180.50 °C)
Boiling point
1603 K (1330 °C)
Phase at STP
solid

Additional properties

Block
s-block
Electron configuration
[He] 2s¹
Electrons per shell
2, 1
Electronegativity
0.98
Density
0.534 g/cm³
Oxidation states
+1 (a strongly basic oxide)
CAS Number
7439-93-2