The Halogens 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: rose_heatherCreated on: 07-04-18 14:25 72538146 Across 1. What group are they? (5, 5) 5. Colour of flourines gas (6) 6. You use _________ reactions to check order of reactivity (4, 4) Down 2. What are the vapours? (8) 3. Is the melting point low or high? (3) 4. Amount of electrons in the outer shell (5) 7. What do they all react with? (6) 8. Do boiling points increase or decrease down the table (8)
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