How do you write the formula of zinc oxide?

The formula for zinc oxide is ZnO

Group 16 oxygen commonly forms an O2− anion while zinc forms Zn2+ cation. Zinc oxide is an inorganic chemical compound used as ingredient in medicine preparation or over-the-counter drug. its molar mass is 81.379 g mol-1. The molecule is formed by the cation Zn+2 and the anion O-2.

ZnO is an amphoteric oxide that can be dissolved in acids or alkali through the reactions:

ZnO + 2 H+ → Zn+2 + H2O

ZnO + 2 OH → Zn+2 + H2O

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