Across
- 2. element Au, used in jewelry
- 4. element O, we need it to live
- 7. grows your bones
- 9. element Mg
- 13. along the stair step line
- 14. smallest particle of an element that retains the elements properties
- 15. particles in the nucleus that with a positive charge of 1+
- 16. columns on the periodic table that go up and down
- 19. element He, used in balloons
Down
- 1. right of stair step line (+hydrogen)
- 3. commonly known as salt
- 5. particles with a negative charge
- 6. particles in the nucleus that are electrically neutral
- 8. left of stair step line (except hydrogen)
- 10. rows on the periodic table that stretch from left to right
- 11. element Zn
- 12. element Cu
- 17. commonly found in bananas, The chemical symbol is K
- 18. element Ag, used in jewelry
- 19. commonly known as water