1. Sea of delocalised electrons Oppositely charged ions Opposite charges attract Electrostatic forces of attraction Giant structure Soluble in polar solvents Brittle Lots of energy needed to break bonds Infinite structure Regular structure Metal + ions CovalentIonicMetallic Set 1 all coloured

2. Copper Zinc Fe High boiling point Malleable Conducts electricity when solid Electrons free to move Diamond Graphite Electrons lost or gained Electrons shared Hard and brittle Set 1 all coloured

3. Low boiling point Low melting point H2OH2O Cu Molecular substance Shared pair of electrons Electrons lost Electrons gained Positive ions Non metal - ions Negative ions Conducts electricity when molten NaCl NH 3 Set 1 all coloured

4. Weak intermolecular forces Crystalline solids Often gases at room temperature MgSO 4 CH 4 Covalent bonds within molecules O2O2 H2H2 HCl Sodium chloride Magnesium chloride Copper sulphate MgOFeO Table salt Set 1 all coloured

5. Metal / non metal Non metal / non metal Metal / metal Aluminium 9 carat gold Bronze Set 1 all coloured

6. Sea of delocalised electrons Oppositely charged ions Opposite charges attract Electrostatic forces of attraction Giant structure Soluble in polar solvents Brittle Lots of energy needed to break bonds Infinite structure Regular structure Metal + ions CovalentIonicMetallic Set 2 half coloured

7. Copper Zinc Fe High boiling point Malleable Conducts electricity when solid Electrons free to move Diamond Graphite Electrons lost or gained Electrons shared Hard and brittle Set 2 half coloured

8. Low boiling point Low melting point H2OH2O Cu Molecular substance Shared pair of electrons Electrons lost Electrons gained Positive ions Non metal - ions Negative ions Conducts electricity when molten NaCl NH 3 Set 2 half coloured

9. Weak intermolecular forces Crystalline solids Often gases at room temperature MgSO 4 CH 4 Covalent bonds within molecules O2O2 H2H2 HCl Sodium chloride Magnesium chloride Copper sulphate MgOFeO Table salt Set 2 half coloured

10. Metal / non metal Non metal / non metal Metal / metal Aluminium 9 carat gold Bronze Set 2 half coloured

11. Sea of delocalised electrons Oppositely charged ions Opposite charges attract Electrostatic forces of attraction Giant structure Soluble in polar solvents Brittle Lots of energy needed to break bonds Infinite structure Regular structure Metal + ions CovalentIonicMetallic Set 3 few coloured

12. Copper Zinc Fe High boiling point Malleable Conducts electricity when solid Electrons free to move Diamond Graphite Electrons lost or gained Electrons shared Hard and brittle Set 3 few coloured

13. Low boiling point Low melting point H2OH2O Cu Molecular substance Shared pair of electrons Electrons lost Electrons gained Positive ions Non metal - ions Negative ions Conducts electricity when molten NaCl NH 3 Set 3 few coloured

14. Weak intermolecular forces Crystalline solids Often gases at room temperature MgSO 4 CH 4 Covalent bonds within molecules O2O2 H2H2 HCl Sodium chloride Magnesium chloride Copper sulphate MgOFeO Table salt Set 3 few coloured

15. Metal / non metal Non metal / non metal Metal / metal Aluminium 9 carat gold Bronze Set 3 few coloured

16. Sea of delocalised electrons Oppositely charged ions Opposite charges attract Electrostatic forces of attraction Giant structure Soluble in polar solvents Brittle Lots of energy needed to break bonds Infinite structure Regular structure Metal + ions CovalentIonicMetallic Set 4 none coloured

17. Copper Zinc Fe High boiling point Malleable Conducts electricity when solid Electrons free to move Diamond Graphite Electrons lost or gained Electrons shared Hard and brittle Set 4 none coloured

18. Low boiling point Low melting point H2OH2O Cu Molecular substance Shared pair of electrons Electrons lost Electrons gained Positive ions Non metal - ions Negative ions Conducts electricity when molten NaCl NH 3 Set 4 none coloured

19. Weak intermolecular forces Crystalline solids Often gases at room temperature MgSO 4 CH 4 Covalent bonds within molecules O2O2 H2H2 HCl Sodium chloride Magnesium chloride Copper sulphate MgOFeO Table salt Set 4 none coloured

20. Metal / non metal Non metal / non metal Metal / metal Aluminium 9 carat gold Bronze Set 4 none coloured