Across
- 1. cheapest metal
- 5. the most electronegativity
- 6. the rarest element
- 8. the strongest metal
- 9. row 6 column 10
Down
- 2. the most valuable metal
- 3. the least reactive element
- 4. the most common in the earth
- 7. row 4 column 3
- 10. same name as the smallest planet
