Across
- 5. A region inside the atom where an electron probably exists
- 6. Indicates how many electrons exist in each energy level and sublevel of the atom or ion (2 words)
- 8. Each element has a particular set of _______ __________ that are allowed (2 words)
- 9. A shorthand notation for electron configurations that begins with the previous ___________ ___________ written in square brackets
Down
- 1. A pattern unique to the element. Forms when electrons relax to lower energy levels. Consists of distinct colors (photons) interspersed with gaps (2 words)
- 2. Each energy level has a fixed number of __________
- 3. ___________ model: treats the electron as both wave and particle
- 4. The periodic table is subdivided into four ________ based on the highest energy of occupied sublevels
- 7. ____________ shell: outermost energy level of the atom, having the highest principal quantum number