| General |
|---|
| Name | Nickel | | Symbol | Ni | | Number | 28 | | Chemical series | Transition elements | | Group / Period | 10 / 4 | | Block | d-block | | CAS registry number | 7440-02-0 |
| Physical properties |
|---|
| State | solid | | Density | 8.908 g/cm3 | | Melting point | 1728 K (1455°C, 2651°F) | | Boiling point | 3186 K (2913°C, 5275°F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 58.6934 g/mol | | Crystal structure | cubic face centered | | Electronegativity | 1.91 | | Atomic radius | 135 pm | | Atomic radius (calculated) | 149 pm | | Electron configuration | [Ar] 4s2 3d8 | | Electrons per shell | 2, 8, 16, 2 | | Number of protons | 28 | | Number of neutrons | 31 |
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Copper