The molecular formula for calcium oxide is ______.

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Solution

CaO (calcium oxide)
The chemical formula of a compound is a symbolic representation of its chemical composition. Chemical formulae provide insight into the elements that constitute the molecules of a compound. For example, the chemical formula of water, which is H₂O, suggests that two hydrogen atoms combine with one oxygen atom to form one molecule of water.
Ionic compounds, writing chemical formula of an ionic compound using the criss-cross method.
Calcium oxide is made of two constituents calcium and oxygen elements.
Concluding statements
Calcium oxide is made of two constituents calcium and oxygen elements and chemical formula formed as CaO.

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