Mg(+2) S(-2)
MgS
Fe(+3) O(+2)
Fe2O3
Ba(+2) Cl(-1)
BaCl2
H(+1) Br(-1)
HBr
K(+1) S(-2)
K2S
Cr(+6) O(-2)
CrO3
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Mg(+2) S(-2)
MgS
Fe(+3) O(+2)
Fe2O3
Ba(+2) Cl(-1)
BaCl2
H(+1) Br(-1)
HBr
K(+1) S(-2)
K2S
Cr(+6) O(-2)
CrO3