Across
- 1. model of the atom where electrons are placed in specific energy levels
- 4. element with noble gas shorthand notation [Ar]3d10 4s2 4p1
- 5. energy traveling through space as waves
- 7. group of elements with their last electron in the p6 orbital
- 11. element with electron configuration of 1s2 2s2 2p6 3s1
- 13. distance in meters between corresponding crests on a wave
- 14. negative elementary particle found on energy levels in atoms
- 15. all forms of electromagnetic radiation
- 17. when an electron has gained energy
- 18. way of showing an atom's electrons with letters and numbers
Down
- 2. another term for electron shells
- 3. particle in its lowest energy level
- 6. effect where electrons are ejected while light shines on metals
- 8. (4 letters) order of orbital shapes from smallest to largest
- 9. electrons in the outer level used for bonding
- 10. the number of waves that pass in one second
- 12. element with electron configuration 1s 2s2 2p4
- 16. when an electron returns to its lowest energy level it must give one off