Input interpretation
chromate anion
Structure diagram
Structure diagram
General properties
formula | (CrO_4)^(2-) net ionic charge | -2 alternate names | tetraoxochromate(VI) | tetraoxidochromate(VI) | chromate | chromate(2-)
Ionic radius
thermochemical radius | 256 pm
Units
Other properties
ion class | anions | biomolecule ions | chromium(VI) ions | ionic oxidizing agents | oxoanions | polyatomic ions common sources of ion | potassium chromate (1 eq) | nickel chromium oxide (1 eq) | lithium chromate hydrate (1 eq) | lead(II) chromate (1 eq) | cesium chromate (1 eq) | barium chromate (1 eq)
Thermodynamic properties
molar free energy of formation Δ_fG° | aqueous | -727.8 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -881.2 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | 50.2 J/(mol K) (joules per mole kelvin)