Across
- 4. all the elements located in this row have a -1 charge
- 5. is number has 12 protons and electrons
- 8. worth 10 cents
- 9. has mass number of 23
- 10. is known to be used in 10 million different compounds
- 12. you breathe it in
Down
- 1. used in household bleach
- 2. located in bannans
- 3. vibrant colors
- 6. smells like rotten eggs
- 7. can be used in tooth paste
- 11. has 79 protons and electrons