Across
- 2. one of the densest of all metals
- 3. does not attract bonding electrons
- 5. The most abundant element in the universe
- 7. is the most reflective metal
- 8. It was discovered in 1791 and named in 1795.
- 10. is the eighth most abundant element in the universe
- 11. Main element used in organisms` breathing
Down
- 1. is best at attracting an electron to form a chemical bond
- 4. is used in some smoke detectors, as portable gamma-ray source in radiography, to help to create flat glass.
- 6. The Most Expensive Elements
- 9. Phase at room temperature: Liquid.