Answer
(a) Calcite = $CaCO_{3}$
(b) Dolomite = $CaMg(CO_{3})_{2}$
(c) Fluorite = $CaF_{2}$
(d) Halite = $NaCl$
(e) Corundum = $Al_{2}O_{3}$
(f) Magnetite = $Fe_{3}O_{4}$
(g) Beryl = $Be_{3}Al_{2}(SiO_{3})_{6}$
(h) Galena = $PbS$
(i) Epsomite = $MgSO_{4}·7H2O$
(j) Anhydrite = $CaSO_{4}$
Work Step by Step
Looking up the proper symbols for each compound:
(a) Calcite = $CaCO_{3}$
(b) Dolomite = $CaMg(CO_{3})_{2}$
(c) Fluorite = $CaF_{2}$
(d) Halite = $NaCl$
(e) Corundum = $Al_{2}O_{3}$
(f) Magnetite = $Fe_{3}O_{4}$
(g) Beryl = $Be_{3}Al_{2}(SiO_{3})_{6}$
(h) Galena = $PbS$
(i) Epsomite = $MgSO_{4}·7H2O$
(j) Anhydrite = $CaSO_{4}$
