ionic bonding

Cards (6)

what is ionic bonding? 
strong electrostatic attraction between ions of opposite charges
whats a giant ionic lattice? 
a regular arrangement of positive and negative ions that alternate
what are the properties of ionic lattices? 
high melting points
cannot conduct when solid
dissolve in water
why do ionic lattices have high melting points? 
strong electrostatic attraction between oppositely charged ions that require a lot of heat energy to overcome. the giant ionic lattice means that there are many bonds to break in the structure.
why can ionic latices not conduct when solid? 
ions are fixed in position by strong ionic bonds so cannot move and carry a charge however when they are molten and dissolved they can
why do ionic lattices dissolve in water? 
water molecules are polar, which means they have partial charges that are attracted to oppositely charged ions in the ionic lattice . this breaks the ionic bonds that hold the lattice together , causing the compound to dissolve.