Across
- 2. boiling point: 4000
- 4. discovered by: Marie curie
- 7. boiling point: 1342
- 9. year discovered: 1807
- 10. energey levels: 2, 8, 18, 12, 1
- 11. melting point: 1357.77
- 13. melting point: 259.16
- 15. atomic radius: 166pm
Down
- 1. atomic mass 264
- 3. year of discovery: 1802
- 5. weight: 54.9
- 6. symobol:AU
- 8. boil point: 4.22
- 10. standard state: solid
- 12. symbol: BA
- 14. atomic mass: 20.180