Year 8 Chemistry Pre-test
| __ | 1. | Atomic number | | A. | An irreversible reaction that creates a new substance | | __ | 2. | Chemical change | | B. | Words or formula used to describe a chemical reaction | | __ | 3. | Combustion | | C. | A reversible change which doesn't produce any new substances | | __ | 4. | Compound | | D. | A molecule made up of two or more different elements | | __ | 5. | Corrosion | | E. | The results of a chemical reaction | | __ | 6. | Element | | F. | The number of protons in the nucleus of an atom | | __ | 7. | Equation | | G. | Addition of oxygen to allow the burning of a substance/s | | __ | 8. | Kinetic theory for matter | | H. | An atom or molecule which is made of only one type of atom | | __ | 9. | Physical change | | I. | Rusting due to the oxidation of a metal | | __ | 10. | Product | | J. | Particles move and have energy that determines their state |
| __ | 11. | Mass number | | A. | The sum of the protons and neutrons in the nucleus | | __ | 12. | Reactant | | B. | The substances which are used up in a chemical reaction |
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