Across
- 4. 2,99792458x108 m/s
- 7. Systems that maintain self-sustained chain reactions.
- 9. When a heavy nucleus splits into smaller nuclei.
- 10. The difference between true north and the south magnetic pole.
- 13. Discovered by Willhelm Röntgen.
Down
- 1. They are unique for every different element.
- 2. When two light nuclei form a heavier nucleus.
- 3. Converts mechanical energy into electrical energy.
- 5. Absorbs all radiation incident on it.
- 6. Shared the Nobel Prize in physics with Pierre Curie and Henri Becquerel.
- 8. Based on two postulates by Albert Einstein.
- 11. An element with different M and A values.
- 12. They have atomic (Z), mass (M), and neutron (A) numbers.