1. Ionic bonding

2. Square box stuff Chemical ideas 3.1 page 34

3. Use simple dot cross diagrams to describe how atoms bond through ionic bonding. Learning outcomes

4. Compounds contain a metal and a non-metal Metals form + ions(and hydrogen) Non- metals form negative ions Ionic bonding

5. Electron configuration of metal ions Na (Z = 11) 2,8,1 S (Z= 16) 2,8,6 Na + 2,8 S 2- 2, 8 Do Q1 Page 40 a – e only

6. Conducts electricity when MOLTEN or in SOLUTION(aq) High melting point and boiling point hard solids Properties of Ionic compounds Form crystalline structures

7. Non directional bonds The strength of the bond equal in all directions Forces between the ions are very strong

8. NaCl is the formula unit GIANT LATTICE

13. Magnesium Fluoride

14. Now do question 3and 12 Page 40