Question

note: to answer some of the questions, it may help to reference a periodic table
what is an ionic compound?
a compound consisting of two atoms of the same element
a compound consisting of a bond between nonmetals
a compound consisting of a bond between metals
a compound consisting of a bond between metals and nonmetals

Explanation:

Ionic compounds are formed when metals transfer electrons to non - metals, creating ions that are held together by electrostatic forces. A compound of two atoms of the same element is a diatomic molecule (e.g., \(O_2\)), not an ionic compound. Bonds between non - metals are covalent (e.g., in \(CO_2\)). Bonds between metals are metallic bonds. Only a bond between metals and non - metals forms an ionic compound.

Answer:

a compound consisting of a bond between metals and nonmetals