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6. What are the properties of an alkali metals?

  • Very fast, exothermic and violent
  • Slow, endothermic and gentle

7. What is Covalent Bonding?

  • When metals and non-metals bond by transferring electrons
  • When non-metals bond by transferring electrons
  • When non-metals bond by sharing electrons
  • When metals and non-metals bond by sharing electrons

8. What state and colour is bromine at room temperature?

  • A red gas
  • A brown gas
  • An orange liquid
  • A brown solid

9. What colour precipitate does bromides form with silver nitrates?

  • orange
  • white
  • cream
  • yellow

10. What charge does an electron have?

  • Neutral
  • No charge
  • Negative
  • Positive

11. Which of the following is copper used to make?

  • Electrical wires and instuments
  • Cars
  • Tables
  • Generators

12. What is used to detect halide ions

  • Sodium Carbonate
  • Gold Nitrate Solution
  • Silver Nitrate Solution
  • Nitrogen

13. What does an alkali metal produce when its mixed with water?

  • Hydrogen
  • Carbon Dioxide
  • Hydrogen and a hydroxide
  • Oxygen

14. What can transitional metals and their compounds be used as?

  • Fertillizers
  • Catalysts
  • Apparatus
  • Pesticides

15. What charge does a proton have?

  • No charge
  • Positive
  • Neutral
  • Neagtive

16. What can be used to detect Sulphates?

  • Barium
  • Barium Chloride
  • Bromide
  • Potassium Bromide

17. What colour precipitate does chlorides form with silver nitrates?

  • White
  • Yellow
  • Cream
  • Orange

18. What is thermal decomposition?

  • Breaking down a complex substance into a simple substance by heating
  • Heating something until it decays
  • Making something out of heat

19. What colour flame does Sodium produce under the fame test?

  • Yellow
  • Orange
  • Red
  • Green

20. What is an isotope?

  • An atom of the same element with a different number of neutrons
  • An atom of the same element with a different number of electrons
  • An atom of the same element with a different number of protons