Atomic Energy

3. negatively charged particles that orbit the nucleus and can move from one atom to another
6. uncharged particles located in the nucleus
9. very dangerous rays; can cause tissue damage and mutation
11. smallest part of a compound or element that can exist and retain the features of that substance
12. basic unit of matter
14. the nucleus has too many protons which cause excessive repulsion
15. center of an atom
17. molecules rotate and roll over each other because they are not strong

1. attracting force between like molecules
2. positively charged particles located within the nucleus
4. light atoms combine to form a heavy nucleus and release significant energy (two words)
5. unstable nuclei with too many neutrons causing neutrons to be converted to protons and electrons
7. unstable nuclei because of unequal protons and neutrons in the nucleus which causes an excess of energy; 3 types
8. energy used in power plants (two words)
10. attractive force between unlike molecules
13. molecules move rapidly and change as they collide
16. molecules are fixed and bound by strong cohesive forces