30ZnZinc65.382[Ar] 3d¹⁰ 4s²
transition metal
Zinc
Zinc, in commerce also spelter, is a chemical element with symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium:its ion is of similar size and its only common oxidation state is +2.
A stylized shell model. Electrons are quantum objects, not particles following these literal paths. Sizes and motion are illustrative.
Electrons by shell
Electron configuration
3d10
4s2
18 is the [Ar] core total across three shells.
At a glance
- Atomic number
- 30
- Atomic mass
- 65.382 u
- Phase
- Solid
- Density
- 7.14 g/cm³
- Melting point
- 692.68 K
- Boiling point
- 1,180 K
- First ionization energy
- 906.4 kJ/mol
- Electronegativity
- 1.65
- Electron affinity
- -58 kJ/mol
- Molar heat capacity
- 25.47 J/(mol·K)
- Period
- 4
- Appearance
- silver-gray
Conditions and isotopes affect measured properties. Some properties of short-lived elements are predicted. Electronegativity uses the Pauling scale.
Keep exploring
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