Li2 CO3
Na2O
The chemical formula for calcium chloride is CaCl2 - Ca++ ionically bonded with 2 Cl-.
CaS
Ba(NO3)2
HBr In a chemical equation you would write it as HBr(aq).
Na2CO3
CaCO3 (s)
NaHCO3
It is written as Na2CO3. It is a base compound.
The chemical formula for table salt is NaCl.
The chemical formula for barium fluoride is BaF2.
The chemical formula for water is H20.
Formula: Ca3P2
The formula is CaSiO4.
For correction purposes the correct way to write this is H2O and it is the chemical formula for water.
Na2SO4
AlCl3