Across
- 1. how far the outermost shell is from the nucleus
- 6. columns
- 7. electronegativity, ionization energy, etc.
- 9. group 1 on the periodic table
- 10. rows
Down
- 2. group 2 on the periodic table
- 3. the most stable group
- 4. group of metals that are found in the middle of the periodic table
- 5. group 17 on the periodic table
- 8. outermost electrons