write down the formula of calcium oxide and sudium sulphide
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Answer:
CaO
Calcium oxide/Formula
Formula and structure: Calcium oxide chemical formula is CaO and its molar mass in 56.0774 g mol-1. The molecule is formed by the calcium cation Ca+2 and the oxygen anion O-2, which form a ionic bond.
Na2S
Sodium sulfide/Formula
Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O.
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Explanation:
Cao
Calcium Oxide
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