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6. What are the group 7 elements called?
- Halogens
- Metal halide
- Alkali metals
7. What happens when you go down the group?
- Reactivity stays the same
- Reactivity decreases
- Reactivity increases
8. The gain of an electron is called?
- Reduction
- Oxidation
- Neither of thes
9. What is the least reactive out of Fluorine, Chlorine, Bromine, Iodine & Astatine?
- Chlorine
- Iodine
- Fluorine
- Astatine
- Bromine
10. When they form an ion is it positive/negative/neutral?
- Neutral
- Negative
- Positive
11. What do they do to get a stable outer shell?
- Gain an electron
- Lose an electron
- Stay they same
12. What is iodine at room temperature?
- Orange liquid
- Grey solid
- Green gas
13. What is iodine used for?
- Sterilise wounds.
- Manufacture of pesticides
- Manufacture of plastics
14. What do they form when they react?
- Neither of these
- Ionic bonds
- Covalent bonds