Across
- 4. number how many protons in an atom of an element
- 5. the smallest particle of an element that has the properties of the element
- 6. (0) large particle with no charge found in the nucleus of an atom
- 7. molecules are tightly packed together
- 10. have properties of both metals and nonmetals
- 11. usually shiny, conduct electricity, can be bent or stretched
- 14. symbol abbreviation of the elements name
- 15. elements are arranged by their properties
- 16. (+) positive charged large particles found in the nucleus of an atom
Down
- 1. a substance that cannot be broken down into other substances
- 2. gasses or solids, dull in color, break easily
- 3. a substance or object changes SIZE, SHAPE, OR STATE OF
- 8. Particles are very close together, but they can still move around
- 9. Particles are constantly moving around freely
- 12. (-) small negative charged particle orbiting the nucleus
- 13. hardly ever combine with other elements to form molecules