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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?
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