Across
- 4. You breathe this element
- 8. This element is made by boiling urine
- 11. This is what you get when you are awarded second place
- 13. This element is the only halogen in group 5
- 15. This element is named after the planet Pluto
- 17. This element's atomic number is 80
- 18. This element is found in salt
- 20. This element is found in milk
Down
- 1. This is the heaviest element in group 3
- 2. This element's atomic symbol in C
- 3. This element has 40 protons
- 5. Pennies are made of this element
- 6. Too much exposure to this element can cause berylliosis
- 7. This element makes bright colors
- 9. This element is the lightest element on the periodic table
- 10. This element is what cans are made of
- 12. This element is a metal that is soft enough to cut with a knife
- 14. This element is in group 6 and period 10
- 16. This element’s atomic symbol is Au
- 19. This element is the heaviest element on the periodic table