Across
- 5. Elements in group 18
- 7. Waves associated with a moving particle
- 8. The study of absorption and emission spectra
- 9. Electrons apply singly before pairing
Down
- 1. Number used to describe the position and energy of an electron
- 2. Filled in order of increasing energies
- 3. Number of atoms in a mole
- 4. The principle that rules out the existence of definite paths
- 6. Atoms/ions with the same electron count