Across
- 7. In this decay the nucleus emits an electron and energy.
- 8. Nitrogen-14 is the product after a beta decay. What was the parent nucleus?(Name only)
- 11. Radiometric dating which can be used to determine the age of a bone.
- 13. The central core of an atom
- 17. The number on the periodic which equal the number of protons in that element.
- 19. A measure of how long a radioactive isotope will stick around.
- 20. The number of electrons in a neutral atom of Carbon-14.
- 26. An invisible, odorless, and tasteless gas which is radioactive and can be found in homes.
- 27. The name for atoms of the same element which have different numbers of neutrons.
- 28. In this decay the nucleus emits energy only.
- 29. Upon what do decay constant depend?
Down
- 1. The nucleus before nuclear decay.
- 2. The number of protons zinc has.
- 3. What changes during nuclear decay?
- 4. The neutral (uncharged) sub-atomic particles in the nucleus
- 5. The sum of the protons and neutrons of an atom.
- 6. In this decay the nucleus emits two protons, two neutrons, and energy.
- 9. The daughter product after Uranium-238 undergoes alpha decay.(Name only)
- 10. The daughter product after Radon-222 undergoes alpha decay.(Name only)
- 12. An atom with an unstable nucleus that can decay.
- 14. The nucleus after nuclear decay.
- 15. The element which has 27 protons.
- 16. The alpha and beta particles or gamma ray emitted during nuclear decay.
- 18. What can block alpha particles?
- 21. Radon decays from this naturally occurring element found in rocks and soil.
- 22. The positive sub-atomic particles in the nucleus
- 23. The negative sub-atomic particles that surround the nucleus
- 24. The mass number of Carbon-14.
- 25. What can completely block gamma rays?