Nuclear Physics and Microscopic Physics

3. The action of dividing or splitting something into two or more parts.
4. Can be described as "nuclear glue".
7. Two identical electrical charges _______ each other.
10. These have most of the mass but hardly any of the volume of an atom.
13. U238 is an isotope called __________.
14. ______is responsible for the heat from inside the Earth.
16. _____ force is strong compared to electrical and gravitational forces.
21. The classic concept of a(n) ______ was that it was the smallest component of matter.
22. These fundamental particles can be found orbiting the nucleus.
23. Currently the objects that we hope are the smallest components of matter are _______ particles.
27. This has the same number of protons, different number of neutrons.
29. The ratio of protons to _____ in the stable nucleus of a light-weight atom are approximately 1:1.

1. The simplest (most fundamental) objects obtained by chemical means.
2. H2SO4 is a ______
5. Flourine's atomic number.
6. These have a very regular, organized structure.
8. A ______ ray is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei.
9. If you can handle an object, it is held together by ______ force.
11. A proton or neutron.
12. The first example of anti-matter.
15. Compared to the electrical and gravitational forces, the nuclear force is _____ range.
17. _____-14 has a half-life of 5,700 years.
18. Light was previously thought to only be a wave, but is also a stream of _______.
19. nuclear ______ the process by which an unstable atomic nucleus loses energy by radiation.
20. This fundamental particle has a negative charge.
24. AMU stands for ______ mass unit.
25. This is about the mass of a neutron or proton.
26. This atom has an atomic number of 1.
28. The most obvious example of fusion is the ____.