In the formula XSO4 the symbol X could represent the element

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Clayton Greene

Chemistry

6 June, 06:32

In the formula XSO4 the symbol X could represent the element

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Ethen · Answer 1

The hint here is to look at the anion of the compound. That is the polyatomic ion, sulfate or SO4. It has a charge of - 2. Since the compound does not show any subscript, then it means that the cation must have a charge of + 2 for it to be cancelled out. Hence, the elements that can represent X are the elements that have a + 2 charge like Fe, Ca, Ba, Mg, Zn, etc.