Question

Predict the chemical formula of the compound that will form when Li and o interact.

Answer 1

Answer:

$Li_2O$

Explanation:

Hello!

In this case, when looking over the chemical formula of a compound formed when two elements interact, we need to realize about their location in the periodic table; thus, since lithium is a metal and oxygen a nonmetal, we infer lithium turns out the cation and oxygen the anion. Moreover, as the oxidation state of lithium is 1+ and that of oxygen is 2-, we can set up the chemical formula as follows:

$Li^+O^{2-}\\\\Li_2O$

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