30Zn65.382
Transition Metald-block
Zinc
Element 30 on the periodic table, symbol Zn, group 12, period 4.
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.
Appearance: silver-gray
Properties
- Atomic Number
- 30
- Atomic Mass
- 65.3820 u
- Group
- 12
- Period
- 4
- Block
- d-block
- Category
- Transition Metal
- State at 25 °C
- Solid
- Melting Point
- 692.7 K · 419.5 °C
- Boiling Point
- 1,180 K · 906.9 °C
- Density
- 7.14 g/cm³
- Atomic Radius
- 135 pm
- Electronegativity
- 1.65
- Oxidation States
- +2
- Abundance in Crust
- 70 mg/kg
- Discovered
- 1746
- Discovered By
- India
Electron Configuration
[Ar] 3d10 4s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10
Ionisation Energies (kJ/mol)
- 1. 906.4
- 2. 1,733.3
- 3. 3,833
- 4. 5,731
- 5. 7,970
- 6. 10,400
- 7. 12,900
- 8. 16,800
Elements near Zinc
Elements in the same group share the number of outer electrons and behave in similar ways. Elements in the same period share a shell, so they change steadily from left to right.