Across
- 2. Positive electric charge
- 4. No electric Charge; neutral
- 6. Model of Atomic structure
- 8. Formed the periodic table
- 9. Made by mixing other substances together
- 10. State of being reactive
- 11. Diagram that shows the bonding between atoms
- 12. Matter made up of 2 or more substances
- 16. Abbreviation of an element
- 18. Substance that dissolves
- 19. Result of elements losing or gaining electrons
- 20. Center of atom
Down
- 1. Substance that does the dissolving
- 3. Negative electric charge
- 5. Element that is not a metal
- 7. Outside part of atom
- 13. Number of protons and neutrons in atom
- 14. positve, negative, nuetral
- 15. unit of chemical element
- 17. Composed of 2 or more elements, mixture