Element Crossword
Across
- 6. This element's atomic mass is 9.
- 7. This element has 70 electrons.
- 10. This is a halogen element and is important for the nervous system.
- 11. This is a chemical element and is silvery white.
- 12. This element has 13 protons.
- 13. This element is a stable isotope of hydrogen and is a nonmetal.
- 14. This element's atomic number is 75.
Down
- 1. This is a soft silvery metal and is in group 3.
- 2. This element proton number is 8.
- 3. This element's group is 3 and is in period 5.
- 4. This element's group is 18 and period 1.
- 5. This element has 16 neutrons.
- 8. This element has 30 neutrons.
- 9. This element has 87 electrons.