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WJEC GCSE Chemistry Bonding, structure and properties (Unit 2.1) overview quiz quiz

16questions. Pick an answer and you'll see why right away.

  1. Ionic bonding forms between which kinds of element?

  2. What happens to electrons when sodium reacts with chlorine?

  3. Why does solid sodium chloride not conduct electricity?

  4. What is a covalent bond?

  5. Why does methane have a low boiling point?

  6. In diamond, how many covalent bonds does each carbon atom form?

  7. Why does graphite conduct electricity?

  8. Why is graphite soft and slippery?

  9. What does metallic bonding consist of?

  10. Why can metals be bent and hammered into shape?

  11. Why is an alloy such as steel harder than pure iron?

  12. A substance conducts electricity as a solid and can be bent. What is its structure?

  13. A substance has a high melting point, does not conduct as a solid, but conducts when molten. What is it?

  14. A substance has a very high melting point, is very hard and does not conduct. What is its likely structure?

  15. What is the formula of magnesium chloride, given Mg2+ and Cl- ions?

  16. Which substance is a simple molecular structure?