Across
- 3. groups, group 13-16
- 4. electrons in the outermost energy level
- 7. elements vary in a periodic way with their atomic number
- 8. elements in the same column
- 9. characteristics of metals and non metals
- 12. group 1
- 13. ability to attract and hold electrons
- 16. 80% of elements
- 17. distance from the atoms nucleus
- 18. two rows below the main body
Down
- 1. group 18
- 2. elements chemical symbol
- 5. group 17
- 6. group 2
- 10. group 3-12
- 11. do not have general properties of metals
- 14. table of the chemical elements
- 15. row on the PT