Across
- 3. A particle with 2 protons and 2 neutrons
- 7. equation that shows atomic and mass number of particles involved
- 10. Particle of radiation with no mass that carries a quantum of energy
- 11. The minimum amount of energy an atom can lose or gain
Down
- 1. The shortest distance between equal points on a wave
- 2. The process of substances emitting radiation
- 4. An atom or bond of atoms with a positive or negative charge
- 5. The lowest possible energy level of an atom
- 6. High speed electron emitted during radioactive decay
- 8. The number of waves that pass a given point per second.
- 9. High energy radiation with no mass and no charge