CuS, Ag2SO4, Al(ClO3)3, Co(OH)2, PbCO3.
a. CuS → Cu2+ (transition metal) + S2- → +2
b. Ag2SO4 → Ag+ (transition metal) + SO42- → +1
c. Al(ClO3)3→ Al3+ (Group 3A) + ClO4- → +3
Give the charges of the cation in each of the following compounds: CuS, Ag2SO4, Al(ClO3)3, Co(OH)2, PbCO3.
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