1st 6 Weeks Vocabulary Test 2019
| __ | 1. | Biohazard | | A. | a biological hazard such as diseased tissue or blood | | __ | 2. | Corrosive | | B. | emitting ionizing radiation or particles, can cause cancer | | __ | 3. | Flammable | | C. | an poisonous substance directly dangerous to human health | | __ | 4. | Radioactive | | D. | easier than other substances to be set aflame | | __ | 5. | Toxic | | E. | a material that can "eat away" at tissue or other materials |
| __ | 6. | Bohr | | A. | discovered the neutron and described isotopes | | __ | 7. | Chadwick | | B. | discovered electrons with the cathode ray tube | | __ | 8. | Dalton | | C. | discovered the nucleus of the atom with gold foil | | __ | 9. | Rutherford | | D. | discovered the energy levels in which electrons travel | | __ | 10. | Thomson | | E. | described 5 ideas about the structure/properties of atoms |
| __ | 11. | compressible | | A. | mass in relation to volume | | __ | 12. | density | | B. | able to be squished or expanded into a different volume | | __ | 13. | ductile | | C. | metal is able to be drawn into a wire | | __ | 14. | ferromagnetic | | D. | metal can be hammered flat into a sheet | | __ | 15. | malleable | | E. | permanent magnet made from the Iron Triad |
| __ | 16. | Compound | | A. | pure substance that can be chemically separated | | __ | 17. | Element | | B. | pure substance that cannot be broken down | | __ | 18. | Heterogeneous | | C. | Substances placed together that can be separated physically | | __ | 19. | Homogenous | | D. | parts are evenly blended EX: solutions | | __ | 20. | Mixture | | E. | parts are easily distinguished EX: chocolate chip cookie |
| __ | 21. | atomic mass | | A. | all the digits that can be known precisely in a measurement | | __ | 22. | isotope | | B. | atom of an element with a different number of neutrons | | __ | 23. | mass number | | C. | a method of depicting very large or very small numbers | | __ | 24. | scientific notation | | D. | average mass of an element, the bottom number on the PT | | __ | 25. | significant figures | | E. | total number of protons and neutrons in an isotope |
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