Q: Answer the following question given this paragraph: Make sure formulas of all reactants and products are correct before balancing the equation. Oxygen gas is a diatomic molecule. Potassium oxide is an ionic compound and so its formula is constructed by the crisscross method. Potassium as an ion becomes K + , while the oxide ion is O 2 . Q: What kind of atomic molecule is oxygen gas? A:

pick from the following. (I). aromatic (II). symbiotic (III). dramatic (IV). diatomic
The answer is:
(IV).