If barium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many barium atoms are needed to form an ionic bond with chlorine?

Respuesta :

One barium atom is needed to form an ionic bond with two chlorine atoms.

Cl(-) Ba(2+) Cl(-)

:-) ;-)
One barium atom is needed to form an ionic bond with two chlorine atoms.

Cl(-) Ba(2+) Cl(-)