Input interpretation
![nickel(II) cation](../image_source/6b874bef9f553321ed67543606b43f37.png)
nickel(II) cation
Structure diagram
![Structure diagram](../image_source/8895810660e90b9be5dc3eaba00a3b56.png)
Structure diagram
General properties
![formula | Ni^(2+) net ionic charge | +2 alternate names | nickelous | nickel(II) | nickel(2+)](../image_source/c167f49bbca101ddb0d24fd59ef60a65.png)
formula | Ni^(2+) net ionic charge | +2 alternate names | nickelous | nickel(II) | nickel(2+)
Ionic radii
![nickel(II) cation state | radius 4-coordinate | 49 pm 6-coordinate | 69 pm](../image_source/46b9ad9ae008be79dea23e38979866bc.png)
nickel(II) cation state | radius 4-coordinate | 49 pm 6-coordinate | 69 pm
Units
Other properties
![ion class | biomolecule ions | cations | d block ions | group 10 ions | nickel(II) ions | transition metal ions common sources of ion | nickel(II) sulfate hexahydrate (1 eq) | nickel(II) sulfate heptahydrate (1 eq) | nickel(II) sulfamate tetrahydrate (1 eq) | nickel(II) stearate (1 eq) | nickel(II) phthalocyanine (1 eq) | nickel(II) oxalate dihydrate (1 eq) | nickel(II) nitrate hexahydrate (1 eq) | nickel(II) molybdate (1 eq) | nickel(II) bis(4-cyclohexylbutyrate) (1 eq) | nickel chromium oxide (1 eq)](../image_source/ae9e8ef065c741998981fcfe1666d3a0.png)
ion class | biomolecule ions | cations | d block ions | group 10 ions | nickel(II) ions | transition metal ions common sources of ion | nickel(II) sulfate hexahydrate (1 eq) | nickel(II) sulfate heptahydrate (1 eq) | nickel(II) sulfamate tetrahydrate (1 eq) | nickel(II) stearate (1 eq) | nickel(II) phthalocyanine (1 eq) | nickel(II) oxalate dihydrate (1 eq) | nickel(II) nitrate hexahydrate (1 eq) | nickel(II) molybdate (1 eq) | nickel(II) bis(4-cyclohexylbutyrate) (1 eq) | nickel chromium oxide (1 eq)
Thermodynamic properties
![molar free energy of formation Δ_fG° | aqueous | -45.6 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -54 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | -128.9 J/(mol K) (joules per mole kelvin)](../image_source/0234594864e5db7457b403f25fc6730e.png)
molar free energy of formation Δ_fG° | aqueous | -45.6 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -54 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | -128.9 J/(mol K) (joules per mole kelvin)