Write the chemical formulae of the following.
(a) Magnesium chloride
(b) Calcium oxide
(c) Copper nitrate
(d) Aluminium chloride
(e) Calcium carbonate.
Here are the chemical formulas for the compounds you listed:
a) Magnesium chloride: MgCl₂
b) Calcium oxide: CaO
c) Copper nitrate: Cu(NO₃)₂
d) Aluminium chloride: AlCl₃
e) Calcium carbonate: CaCO₃