30 Zn
Transition metal
Zinc
Galvanizes steel.
Properties of Zinc
- Atomic number (Z)
- 30
- Symbol
- Zn
- Atomic mass
- 65.38 g/mol
- Category
- Transition metal
- Group
- 12
- Period
- 4
- Electron configuration
- [Ar] 3d¹⁰ 4s²
- Electronegativity (Pauling)
- 1.65
- Atomic radius
- 142 pm
- First ionization energy
- 906 kJ/mol
- Melting point
- 692.88 K (419.7 °C)
- Boiling point
- 1180 K (906.9 °C)
- Density
- 7.134 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Known since ancient times