Zinc (Zn)
Zincum
Zinc (Zn) is a transition metal in period 4, group 12. Its relative atomic mass is 65.38 and the molar mass of the atom is 65.38 g/mol.
Atomic number 30
Atomic mass 65.38
Molar mass 65.38 g/mol
Category Transition metal Solid
Properties of zinc
| Atomic number | 30 |
|---|---|
| Symbol | Zn |
| Latin name | Zincum |
| Relative atomic mass | 65.38 |
| Molar mass | 65.38 g/mol |
| Group, period, block | 12, 4, d |
| Category | Transition metal |
| State at 20 °C | Solid |
| Electron configuration | [Ar] 3d¹⁰ 4s² |
| Electronegativity (Pauling) | 1.65 |
| Atomic radius | 135 pm |
Electron configuration of zinc
Electrons per shell
K2L8M18N2
Full notation
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s²
Noble-gas notation
30 protons · 30 electrons[Ar] 3d¹⁰ 4s²
Formula and compounds of zinc
Simple substanceZnzincMolar mass of Zn: 65.38 g/mol
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Frequently asked questions
The relative atomic mass of zinc is 65.38, so the molar mass of the atom is 65.38 g/mol.
Full: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s². Noble-gas notation: [Ar] 3d¹⁰ 4s².