30Zn65.4
Zinc
Transition Metal
Solid at STP
Period 4Group 12Block DDiscovered 1746
[Ar]4s2 3d10
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.
📖 Read more on Wikipedia →Atomic Properties
| Atomic Number | 30 |
| Atomic Mass | 65.4 u |
| Electron Configuration | [Ar]4s2 3d10 |
| Oxidation States | +2 |
| Electronegativity | 1.65 (Pauling) |
| Atomic Radius | 139 pm |
| Ionization Energy | 9.394 eV |
| Block | D |
Physical Properties
| Appearance | silver-gray |
| Standard State | Solid |
| Melting Point | 692.68 K (419.5 °C) |
| Boiling Point | 1180 K (906.9 °C) |
| Density | 7.134 g/cm³ |
| Molar Heat | 25.47 J/(mol·K) |
| CPK Color | #7D80B0 |
Classification
| Category | Transition Metal |
| Group Block | Transition metal |
| Period | 4 |
| Group | 12 |
| Block | D |
Discovery
| Year Discovered | 1746 |
| Discovered By | India |
| Electron Shells | 2, 8, 18, 2 |