Across
- 2. It can be found in more than 60 minerals
- 4. was discovered in 1774
- 7. Number of protons is 27
- 8. discovered in 1808
- 9. One of the rarest gasses on earth
- 11. Atomic number is 12
- 12. Gets better at conducting electricity
- 13. It's Twice as Strong as Aluminum
Down
- 1. number of neutrons is 16.066
- 3. is a colorless, odorless, and tasteless gas
- 4. luster is shiny
- 5. has a reddish-metallic coloring that is unique among all the elements
- 6. natural state is metal
- 10. is a metalloid
- 14. is the second most abundant of all metals on Earth