Across
- 6. negatively charged particle that orbits
- 7. anything that has mass and takes up space
- 9. a substance made of two or more elements
- 10. an element on the right side of the p table
- 13. A substance that cannot be broken down
- 14. the smallest component of an element
Down
- 1. when two or more substances are mixed together
- 2. a mixture in which one substance is dissolved
- 3. number the number of protons in the nucleus
- 4. uncharged particle in the nucleus
- 5. positively charged particle in the nucleus
- 8. the center of an atom
- 11. an element on the left side of the periodic table
- 12. mass Number of protons and neutrons