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6. What are some properties of Group 1 Alkali metals?

  • Soluble and stored under oil.
  • Have one electron in their outer shells, stored under oil and reacts vigorously with water
  • Have one shell, insoluable

7. What are the properties of an alkali metals?

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

8. What is used to detect halide ions

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

9. What does the chemical industry use water for?

  • Drinking and washing machinery
  • Cooling, A solvent and cheap raw materials
  • Heat, and raw materials

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

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

11. What is oxidation?

  • When electrons are taken away
  • When oxygen is gained
  • When electrons are gained
  • When oxygen is lost

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

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

13. What can be used to detect Sulphates?

  • Barium
  • Barium Chloride
  • Bromide
  • Potassium Bromide

14. Why do metals have high melting points?

  • Lots of energy is needed to break the strong metallic bonds
  • Because they're magnetic
  • Because they have high boiling points
  • Because they're dense

15. What is a molecule?

  • more than 3 elements
  • two or more atoms bonded together
  • two or more electrons
  • 5 or more electron joined together

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

  • Catalysts
  • Apparatus
  • Fertillizers
  • Pesticides

17. What is Covalent Bonding?

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

18. What charge does a proton have?

  • Neutral
  • No charge
  • Positive
  • Neagtive

19. What state and colour is iodine at room temperature?

  • A black liquid
  • A grey Solid
  • A grey gas
  • A black powder

20. What is iron used for?

  • Fossil Fuels
  • Cars
  • Furnishing