Across
- 1. The center of an atom.
- 5. The number of protons and neutrons in a nucleus
- 7. Group One has this many outer shell electrons
- 8. Metals Elements in Group 1
- 9. Horizontal rows on the table.
- 11. Made of more than 1 type of atom chemically combined
- 12. Made of only 1 type of atom
Down
- 2. Group 7 has 7 of these in the outer shell
- 3. Vertical columns on the table.
- 4. Shiny, malleable conductors (e.g., Gold).
- 6. The Number of protons in a nucleus
- 10. Brittle, dull, insulators (e.g. Carbon).