Across
- 2. Heaviest metal in the world
- 3. Second Lightest on the table
- 5. Right of staristep of line
- 7. Makes your bones stronger, found in milk
- 9. Determine the atomic number
- 11. Heaviest element
- 14. Mass Determines where the elements go
- 16. Most abundant element on earth
- 18. Only metal in a liquid state at room temp
- 19. Lightest element
- 20. has 82 protons
Down
- 1. Most expensive element on the table
- 4. Used in nuclear reactors
- 6. Outer most electrons on the orbital
- 8. Left of the stair step line
- 10. has an element number of 26
- 12. Make up the stair step line
- 13. Used in neon signs
- 15. a high percentage of living things are made up of this element
- 17. commonly found in jewelry