Question

select the correct answer. why does common table salt (nacl) have a high melting point? a. it forms an ionic bond with a crystal lattice structure. b. it forms a covalent bond with a lewis dot structure. c. it forms a metallic bond with an electron sea model structure. d. it forms a covalent bond by sharing electrons. e. it forms a metallic bond with a lewis dot structure.

Explanation:

Sodium chloride (NaCl) is an ionic compound. Sodium (Na) donates an electron to chlorine (Cl), forming $Na^+$ and $Cl^-$ ions. These ions are held together in a crystal - lattice structure by strong ionic bonds. Stronger bonds require more energy to break, resulting in a high melting point. Covalent bonds involve sharing electrons between non - metals (not applicable for NaCl), and metallic bonds occur in metals (not the case for NaCl).

Answer:

A. It forms an ionic bond with a crystal lattice structure.