Across
- 6. a atom model type that shows how electrons are arranged using dots
- 7. Includes all forms of electromagnetic radiation
- 9. an atom that has either a positive or negative charge
- 12. A high-speed electron
- 14. A set of frequencies of electromagnetic waves given off by atoms
- 16. The shortest distance between equal points on a wave
- 19. an ion with a positive charge
- 22. The composition of electrons within an atom
Down
- 1. The main energy levels within an atom
- 2. A particle with 2 protons and 2 neutrons emitted during radioactive decay.
- 3. The outermost electron on an atoms orbits
- 4. the energy levels within an energy level
- 5. The minimum amount of energy that can be gained or lost by an atom
- 8. the lowest energy state allowed for a single atom
- 10. A particle of electromagnetic radiation with no mass
- 11. The number of waves that pass per second
- 13. Ions can lose, gain, or share electrons to achieve a stable electron configuration
- 15. The event in which substances emit radiation
- 17. an ion with a negative charge
- 18. High-energy radiation that has no electrical charge and no mass
- 20. Equation An equation that shows the atomic number and mass number of particles
- 21. The alpha, beta particles and gamma rays—that are released by radioactive materials