Question

Write the chemical formulae for the given element - Calcium oxide.

Answer 1

Here is your answer.

Chemical formula :―

Calcium oxide :―CaO.

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Answer 2

Formula and structure of CaO:  chemical formula is CaO and  molar mass  56.0774 g mol-1.

The molecule is produced by the combination of calcium cation Ca+2 and the oxygen anion O-2, which form a ionic bond.

A compound is a substance having a composition in  a definite proportion of two or moreelements.

A chemical formula informs us  the number of atoms of each element  present in a compound.