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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