Matching Pairs Naming and writing chemical formulasOnline version Naming and writing chemical formulas by Dane Travis 1 K3N 2 KNO3 3 CaBr2 4 CuCl 5 CaBr 6 NaCl 7 Li2SO4 8 NaClO2 9 NaClO3 10 CuCl2 Sodium chlorIDE Copper (II) chloride Potassium nitrATE Sodium chlorATE Lithium sulfATE The formula is incorrect. The overall charge is not zero. Potassium nitrIDE Calcium bromide Sodium chlorITE Copper (I) chloride