Across
- 7. name of group 1
- 9. name of group 16
- 10. the element we need to breathe
- 12. what you usually use to make glass
- 14. radio active element often used in nucleur power stations
- 15. makes your voice sound squeeky
- 16. have properties of metals and nonmetals
- 18. number of protons and neutrons in an atom
- 22. name of group 18
- 23. subatomic particle with a negative charge
- 25. what you call someone stupid that starts with a "b"
- 27. a word that means purple in Greek (old language)
- 28. name of group 17
- 29. second place medal in olympics
- 30. only metal that is liquid at room temperature
Down
- 1. very brittle and unmalleable
- 2. name of song by David Guetta and Sia
- 3. very shiny and ductile
- 4. represents an element
- 5. name of groups 3 to 12
- 6. most reactive nonmetal
- 8. usually found in milk & cheese
- 11. column on the periodic table
- 13. use to make jewlery
- 17. used in wires
- 19. found in pool
- 20. a system showing that a music record has been sold alot
- 21. used to make diamonds
- 24. used in shop signs
- 26. half a dime
- 28. the symbol for this element is Hs