2Fe + Cl₂ -> 2FeCl
4Fe + 3O₂ -> 2Fe₂O₃
A binary compound is a compound formed from two different elements. There may or may not be more than one of each element. A diatomic compound (or diatomic molecule) contains two atoms, which may or may not be the same.
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Nomenclature of Ionic and Covalent Compounds.
Answer:the horizontal rows in the periodic table are called periods
Explanation:Btw the vertical ones are called groups or families.
