30
Zn
zinc
65.38

General properties

Group
group 12
Period
period 4
Category
transition metals
Standard atomic weight
65.38(2)
Melting point
692.68 K (419.53 °C)
Boiling point
1180 K (907 °C)
Phase at STP
solid

Additional properties

Block
d-block
Electron configuration
[Ar] 3d¹⁰ 4s²
Electrons per shell
2, 8, 18, 2
Electronegativity
1.65
Density
7.14 g/cm³
Oxidation states
−2, 0, +1, +2 (an amphoteric oxide)
CAS Number
7440-66-6