HCl gas is covalent and NaCl is an ionic compound. This is because

1.	HCl gas is covalent and NaCl is an ionic compound. This is because
Answer» sodium is highly electropositive HYDROGEN is a non metal HCl isa gas ELECTRONEGATIVITY difference H and CL is less than 2.1 . Solution :A COMPOUND is SAID to be covalent if the electronegativity difference between the combining atoms is less than 2:1.

Discussion