Across
- 2. the most common noble gas
- 5. makes up 21% of air
- 7. the most conductive element
- 9. the only non-metal in group 14
- 11. the heaviest element
- 12. named after the creator of the periodic table
Down
- 1. the most common metal liquid at room temperature
- 3. named after Albert Einstein
- 4. also known as Aurum in Latin
- 6. the lightest element
- 8. found in rust and blood
- 10. the most reactive metalloid