Periodic Table
Across
- 2. -aknej
- 8. -ndl
- 10. number- the sum of the number of neutrons and protons in an atomic nucleus.
- 13. the smallest component of an element
- 14. -aldie
- 16. an elementary particle with negative charge.
- 18. the positively charged dense center of an atom.
- 19. a subatomic particle with zero charge.
- 20. -wankjdn
Down
- 1. ajsknd
- 3. -anjd
- 4. ajio
- 5. mass
- 6. number- quantity of protons in the nucleus of an atom of an element.
- 7. -wnda
- 9. fusion-awbdjkaw
- 11. a stable particle with a positive charge.
- 12. a representation of something often on a smaller scale.
- 15. gas -abwjdkw
- 17. table-huai