Across
- 3. Shows only valence(outer)shells
- 4. The outer shell that contain electrons
- 7. a mathematical relationship or rule expressed in symbols
- 8. Atoms that gained or lost an electron
- 10. Right side of the periodic table
Down
- 1. Metals that more than one on charge listed on the periodic table
- 2. consisting of many atoms
- 5. Have a negative charge (ions of nonmetal)
- 6. Have a positive charge (ions of metals)
- 9. characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons
- 11. Left side of the periodic table