Simplify the following text for a Grade 7 native English-speaking person.
Original: Understood as the sharing of `` free '' electrons among a lattice of positively charged ions ( cations ) , metallic bonding is sometimes compared with that of molten salts ; however , this simplistic view holds true for very few metals .
Simplified: It involves the sharing of free electrons among a lattice of metal atoms . Metallic bonds may be compared to molten salts .