Chemistry Mock Revision Cards 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryALL OF IT.GCSEEdexcel Created by: stereotypicalellieCreated on: 05-11-13 13:04 1023958164 Across 1. Full outer shell. (6) 2. They're negatively charged. They have virtually no mass - 1/2000 Relative mass). Their charge is -1. (9) 4. When a solid reaches a certain temperature and the particles have enough energy to break free from their positions and make the solid turn into a liquid. (7, 0) 5. When a liquid drops to a certain temperature and the particles lose enough energy and cause the particles to become closer together and the liquid becomes a solid. (8, 0) 9. Heavy. Positively charged (Relative charge of +1). Relative mass of 1. (7) Down 2. A compound in it's simplest formula. (The ratio of different elements in the compound) (9, 7) 3. Burns with a yellow-orange flame. (5, 5, 6) 6. CnH2n+2) (7) 8. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. (8) 10. If some electrons are added or removed, the atom becomes charged and is then an ion. (4)
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