Across
- 3. high speed electron
- 5. quantum of light
- 8. nucleus divides into 2 or more fragments
- 9. a source of nuclear energy
- 10. disturbance that carries energy through matter or space
- 11. travels at the speed of light
Down
- 1. third position from a designated carbon atom
- 2. nuclei with small masses
- 4. positively charged particle
- 6. the time required for half the atoms in a given quantity
- 7. thermal transfer of energy by electromagnetic waves through the vacuum of space