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The chemical formula starts out with the two ions, the calcium and sulfide ions. Calcium's ion is Ca2+, while the sulfide ion is S2-. Because the net ionic charge of a compound is zero, only one of each atom is needed to create calcium sulfide, which will be CaS.

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13y ago
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11y ago

The chemical formula for calcium sulphide is CaS

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15y ago

ca +2 s -2

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11y ago

Li 2+S

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Q: What is the ionic formula for calcium sulfide?
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