Scroll down in the link below starting with "ionic compounds have high melting points...."
http://chemistry.about.com/od/moleculescompounds/a/Ionic-Compound-Properties.htm
Give two physical properties of ionic compounds?
Thanks.
2 answers
Ionic compounds have high melting/boiling points. They often dissociate in aqueous solutions (when they are dissolved in water), causing them to conduct electricity.