Year 9 Chemistry Pre-test
| __ | 1. | Anion | | A. | Total mass of protons in an atom | | __ | 2. | Atom | | B. | The smallest part of a chemical element that can exist | | __ | 3. | Atomic mass | | C. | A negatively charged ion | | __ | 4. | Cation | | D. | A positively charged ion | | __ | 5. | Chemical reaction | | E. | A substance consisting of two or more elements | | __ | 6. | Compound | | F. | Atoms of the same element with different mass numbers | | __ | 7. | Electron | | G. | Each of the substances found on the periodic table | | __ | 8. | Element | | H. | A process that involves rearrangement of molecular structure | | __ | 9. | Isotope | | I. | A negatively charged particle found in orbitals | | __ | 10. | Law of conservation of Mass | | J. | Matter can't be created/destroyed during a chemical reaction |
| __ | 11. | Mass number | | A. | Total of mass of protons and neutrons in an atom | | __ | 12. | Neutron | | B. | An uncharged particle found in nucleus of an atom | | __ | 13. | Orbital | | C. | A process that involves changing the form of a chemical | | __ | 14. | Physical reaction | | D. | New chemicals formed during a chemical reaction | | __ | 15. | Products | | E. | A positively charged particle found in nucleus of an atom | | __ | 16. | Proton | | F. | Chemicals used during a chemical reaction | | __ | 17. | Reactants | | G. | Actual or potential patterns of electron movement |
|
Students who took this test also took :