A chlorate(III) ion has a 1−1-1− charge.
What is the formula for calcium chlorate(III)?
CaClO3\text{CaClO}_3CaClO3
Ca(ClO3)2\text{Ca}(\text{ClO}_3)_2Ca(ClO3)2
Ca(ClO2)2\text{Ca}(\text{ClO}_2)_2Ca(ClO2)2
CaClO2\text{CaClO}_2CaClO2
