3 years ago

Need help please

1 answer:

4 0

Ionic compounds are compounds composed of ions, charged particles that form when an atom (or group of atoms) gains or loses electrons. (A cation is a positively charged ion; an anion is a negatively charged ion.) Covalent or molecular compounds form when elementss share electrons in a covalent bond to form molecules. Molecular compounds are electrically neutral

Metal + Nonmetal ionic compound (usually)

Metal + Polyatomic ion ionic compound (usually)

Nonmetal + Nonmetal covalent compound (usually)

Hydrogen + Nonmetal covalent compound (usually)

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