Adi Sepanski

3. A negative ion
5. A particle released during radioactive decay that has a 1- charge.
7. A molecule with an electric charge based on what the atoms need in order to be stable.
8. A model that uses dots to show how the electrons are organized in molecules
9. The lowest amount of energy in an atom that can be gained or lost
12. The short distance between equivalent points on a continuous wave.
14. A group of frequencies of electromagnetic waves given by atoms, consists of series of fine lines of individual colors.
16. An energy wave that can be described by wavelength, frequency, amplitude, and speed.
19. A process certain substances go through that releases radiation.
20. Rays and particles released during radioactive activity.

1. The major energy levels of an atom.
2. The sublevels that contain energy within a principal energy level.
4. The original state of an atom(lowest allowable energy state)
6. The way electrons are organized in an atom
10. A particle with two protons and two neutrons with a 2+ charge,it is released during radioactive decay.
11. A rule that says atoms can lose, gain or share electrons in order to stay stable.
13. The number of energy waves that pass per second.
15. An electron located on an atom's outer orbitals that determine the chemical properties of an element.
17. A massless electromagnetic radiation particle that carries quantum energy.
18. A positive ion