Across
- 3. unit of work or energy in the International System of Units
- 5. 18.998403 u
- 7. as an additive in alloys
- 10. silvery radioactive metallic element.
- 11. no uses outside of basic scientific research.
- 12. to galvanise other metals
- 16. in certain specialised light sources
- 19. pure substance
- 20. not particularly harmful to humans
- 22. only used in research
- 23. oxygen group
- 24. control rods for nuclear reactors
Down
- 1. bombarding curium atoms with calcium
- 2. theories, concepts, constructs, problems, and hypotheses
- 4. TV series 2018-2019
- 6. a rare element on earth
- 8. 99% uranium-238 and 1% uranium-235
- 9. radioactive, synthetic element
- 13. corrosion-resistant
- 14. synthetic element about which little is known
- 15. Although it is rare, native chromium also exists.
- 17. a soft metal
- 18. resists corrosion
- 21. bismuth-204 (204Bi)