Across
- 3. negative ion.
- 6. shiny, conductive, malleable element.
- 8. Matter's building block.
- 10. Negatively charged atoms.
- 11. divisions on the periodic table (s,p,d,f).
- 14. unbonded substances.
- 15. positive ion.
- 18. center of an atom.
- 20. same element, different neutron numbers.
Down
- 1. Positively charged atoms.
- 2. electrons on the outmost layer.
- 4. Atoms with a positive or negative charge.
- 5. Unreactive elements with full valence shells.
- 7. amount of solute in solution.
- 9. mix of metal and nonmetal traits.
- 12. dull, brittle, weak conductor.
- 13. bonded by transferring electrons.
- 16. dissolved in water.
- 17. area with high electron charge.
- 19. bonded by sharing electrons.