Chapter 19 & 20
Across
- 5. Nuclear process in which extra neutrons induce some very heavy nuclei to split apart into smaller and more stable nuclei.
- 6. Type of chemistry branch that Concerned with changes in an atom’s nucleus (protons & neutrons) that affect the atom’s electrons and release radiation.
- 9. The branch of science that combines the disciplines of chemistry, engineering, and materials science to manipulate atomic or molecular substances for the purpose of creating useful products to benefit mankind.
- 11. Type of decay that has a positive charge and
- 14. Who found that when photographic plates were exposed to certain uranium salts, the plates changed as if they had been exposed to rays of sunlight.
- 15. Describe the spontaneous emission of penetrating rays form the nuclei of unstable atoms.
- 18. Movement of electrons
- 19. type of decay that is not composed of particles that release energy.
Down
- 1. What keeps a nuclei together.
- 2. nuclear process in which extra neutrons are then brought together to create a more stable nuclei.
- 3. Carbon molecules that are arranged in the form of a closed, hollow sphere, cylinder, or the like.
- 4. Plastics that can be heated and reshaped to other forms.
- 7. Name of the iconic women who went to court because they were dying of radiation poisoning.
- 8. To oppose or resist a current.
- 10. An example of what we can use to measure radiation.
- 12. The original nuclide.
- 13. Protons and neutrons collectively found in the nucleus.
- 16. the strongest ability of to ionize.
- 17. Type of decay that has a negative charge and a very little mass.