4. Write the formulae of the compounds in the following cases:
a. A molecule of calcium oxide consists of one atom of calcium and one atom of oxygen.
b. A molecule of zinc sulphide consists of one atom of zinc and one atom of sulphur.
c. A molecule of copper sulphate consists of one atom of copper, one atom of sulphur and four atoms
of oxygen.
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Answer:
compound is body of substance
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Answer:A. CaO
Explanation:
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