Question

what is a bond between a positive and a negative ion called?
○ covalent bond
○ polar bond
○ metallic bond
○ ionic bond

Explanation:

An ionic bond forms from the electrostatic - attraction between a positively - charged ion (cation) and a negatively - charged ion (anion). Covalent bonds involve sharing of electrons, polar bonds are a type of covalent bond with unequal electron sharing, and metallic bonds occur in metals with a sea of delocalized electrons.

Answer:

D. ionic bond