Across
- 1. Is sulfur a nonmetal,metal,or a metalloid
- 4. what is diagram called that includes all the elements
- 6. what group is hydrogen in
- 7. what is the most stable group
- 8. what is on the right side of periodic table
- 11. what group is Helium in
- 12. what side in the periodic table is reactive
- 14. what shows how many protons the element has
Down
- 2. how many valence electrons does boron have
- 3. what are things in the periodic table called
- 5. what are the electrons on the outer shell
- 9. what is on the staircase
- 10. what group is magnesium
- 13. what is on the left side of periodic table
- 15. what is a period in the chemistry table