Sodium is a metal. Chlorine is a non-metal.
Sodium chloride should be an ionic compound.
IThe physical properties of sodium chloride should be
• solid
• high melting and boiling points
• brittle
• poor conductor of electricity
• aqueous solutions should be good conductors of electricity
The physical properties of sodium are
• solid
• metallic lustre
• malleable and ductile
• good conductor of electricity
The physical properties of chlorine are
• pale green gas
• low melting and boiling points
• poor conductor of electricity