1.40 - 1.43 IONIC BONDING - PROPERTIES
| 1.40 draw dot-and-cross diagrams to show the formation of ionic compounds by electron transfer, limited to combinations of elements from Groups 1, 2, 3 and 5, 6, 7 only outer electrons need be shown |
| 1.41 understand ionic bonding in terms of electrostatic attractions |
| 1.42 understand why compounds with giant ionic lattices have high melting and boiling points |
| 1.43 know that ionic compounds do not conduct electricity when solid, but do conduct electricity when molten and in aqueous solution |
Ionic compounds have high melting points because oppositely charges ions attract each other in all directions - forming a Giant Lattice.
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