What would be the correct formula of the resulting compound if calcium chemically combined with oxygen to form an electrically neutral compound?

1 Answer
anor277
Dec 13, 2017

We gots #"calcium oxide"#, #CaO#....

Explanation:

In the salt, calcium is present as the #Ca^(2+)# ion, and oxygen is present as the #"oxide ion"#, #O^(2-)#....and these ions make music together to form the salt....#CaO#

#Ca(s) + 1/2O_2(g) rarr CaO(g)#....

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