Zinc
Transition metal · atomic number 30
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ZnZinc
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.
Properties of Zinc
| Element category | Transition metal |
|---|---|
| Atomic number | 30 |
| Atomic mass | 65.382 u |
| Phase at STP | Solid |
| Group | 12 |
| Period | 4 |
| Block | d |
| Electron configuration | [Ar] 3d10 4s2 |
| Electrons per shell | 2, 8, 18, 2 |
| Electronegativity (Pauling) | 1.65 |
| Melting point | 692.68 K (420 °C) |
| Boiling point | 1180 K (907 °C) |
| Density | 7.14 g/cm3 |
| Discovered by | India |
← Copper · Periodic table · Gallium → Ga
About the transition metal group
The dense, strong, catalytic heart of the table — iron, copper, gold, titanium — responsible for most of metallurgy, jewellery and industry.
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