Stable isotope Nickel (Ni)
Isotope | Z(p) | N(n) | Atomic Mass | Natural Abundance | Enrichment Level | Chemical Form |
---|---|---|---|---|---|---|
Ni-58 | 28 | 30 | 57.935348 | 68.08% | ≥99.48% | Metal |
Ni-58 | 28 | 30 | 57.935348 | 68.08% | ≥98.81% | Oxide |
Ni-60 | 28 | 32 | 59.930790 | 26.22% | 89.00-99.60% | Metal |
Ni-60 | 28 | 32 | 59.930790 | 26.22% | 89.00-99.60% | Oxide |
Ni-61 | 28 | 33 | 60.931060 | 1.14% | 91.00->99.00% | Metal |
Ni-61 | 28 | 33 | 60.931060 | 1.14% | 91.00->99.00% | Oxide |
Ni-62 | 28 | 34 | 61.928348 | 3.63% | 98.00-99.28% | Metal |
Ni-62 | 28 | 34 | 61.928348 | 3.63% | 98.00-99.28% | Oxide |
Ni-64 | 28 | 36 | 63.927969 | 0.93% | 95.00-99.32% | Metal |
Ni-64 | 28 | 36 | 63.927969 | 0.93% | 91.00-99.32% | Oxide |
Properties of Nickel
Name | Nickel |
Symbol | Ni |
Atomic number | 28 |
Atomic weight | 58.693 |
Standard state | Solid at 298 °K |
CAS Registry ID | 7440-02-0 |
Group in periodic table | 10 |
Group name | None |
Period in periodic table | 4 |
Block in periodic table | d-block |
Color | Lustrous metallic silvery tinge |
Classification | Metallic |
Melting point | 1445 °C |
Boiling point | 2730 °C |
Thermal conductivity | 90.9 W/(m·K) at 298.2 °K |
Electrical resistivity | 6.97 µΩ·cm at 20 °C |
Electronegativity | 1.8 |
Specific heat | 0.44 kJ/kg K |
Heat of vaporization | 378 kJ·mol-1 at 2732 °C |
Heat of fusion | 17.2 kJ·mol-1 |
Density of solid | 8.91 g/cm3 at 20 ºC |
Electron configuration | [Ar]3d84s2 |
Oxidation states | 0, +1, +2, +3 |
Most common oxidation state | +2 |
Atomic radius | 1.24 Å |
Ionic radius | Ni2+: 0.70 Å |