Input interpretation
![calcium cation](../image_source/77247d6207fdaf2cd781addec7c798bb.png)
calcium cation
Structure diagram
![Structure diagram](../image_source/ad928fe8fc88b3f7fb012dc75f9ab530.png)
Structure diagram
General properties
![formula | Ca^(2+) net ionic charge | +2 alternate names | calcium(II) | calcium(II) cation | calcium(2+)](../image_source/58cb3ef3950893bc6553f3de9d0132c9.png)
formula | Ca^(2+) net ionic charge | +2 alternate names | calcium(II) | calcium(II) cation | calcium(2+)
Ionic radii
![calcium cation state | radius 6-coordinate | 100 pm 8-coordinate | 112 pm 10-coordinate | 123 pm 12-coordinate | 134 pm](../image_source/c62fbd12675f49ec5ae6a329053200c1.png)
calcium cation state | radius 6-coordinate | 100 pm 8-coordinate | 112 pm 10-coordinate | 123 pm 12-coordinate | 134 pm
Units
Other properties
![ion class | alkaline earth metal ions | biomolecule ions | cations | group 2 ions | monatomic cations | s block ions common sources of ion | L-threonic acid hemicalcium salt (1 eq) | lignosulfonic acid calcium salt (1 eq) | hydroxyapatite (5 eq) | calcium zirconate (1 eq) | calcium tungstate (1 eq) | calcium titanate (1 eq) | calcium thiocyanate tetrahydrate (1 eq) | calcium silicate (1 eq) | calcium propionate (1 eq) | calcium phosphide (1 eq)](../image_source/e2b907f78c46ee1674c9a1d953ea9cc4.png)
ion class | alkaline earth metal ions | biomolecule ions | cations | group 2 ions | monatomic cations | s block ions common sources of ion | L-threonic acid hemicalcium salt (1 eq) | lignosulfonic acid calcium salt (1 eq) | hydroxyapatite (5 eq) | calcium zirconate (1 eq) | calcium tungstate (1 eq) | calcium titanate (1 eq) | calcium thiocyanate tetrahydrate (1 eq) | calcium silicate (1 eq) | calcium propionate (1 eq) | calcium phosphide (1 eq)
Thermodynamic properties
![molar free energy of formation Δ_fG° | aqueous | -553.6 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -542.8 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | -53.1 J/(mol K) (joules per mole kelvin)](../image_source/b774afbff3f2974943742169c19782c8.png)
molar free energy of formation Δ_fG° | aqueous | -553.6 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -542.8 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | -53.1 J/(mol K) (joules per mole kelvin)