Across
- 5. CS2
- 7. causes matter to experience a force
- 11. naming
- 12. ions
- 15. OH-
- 16. smallest unit of an element
- 19. nm + nm
- 21. HCl
- 22. H2O
- 23. NO-2
- 25. negatively charged ion
- 26. metals
- 28. world authority on chemistry
- 29. only transition metal with +1 charge
- 30. positively charged ion
Down
- 1. has traits of a metal and a nonmetal
- 2. SO ₂
- 3. most abundant element on earth
- 4. K
- 6. group
- 8. PO4-
- 9. periodic table trend
- 10. CaO
- 13. diff number of neutrons
- 14. pure substance
- 17. O
- 18. p+n
- 20. polyatomic ion treated like a metal
- 24. m + nm
- 27. NaCl