Unit 2 Assessment

2. Proves the existence of an element / If the element is real and its own, it will have a different spectrum than any other
3. Labeled as “h” in equations / 6.626 x 10^-34 js
6. 1s22s22p63s23p3 / [Ne] 3s² 3p³
8. All the way to the left of the periodic table / Energy levels 1-7 and periods 1 and 2
11. An orbital can hold a max of 2 electrons / Orbitals must have opposite spins (arrows)
12. (n-1) / In energy levels 4-7 in the middle of the periodic table
14. These things attract electrons / Positively charged in the nucleus of an atom
16. All the way to the right of the periodic table / Energy levels 2-7 and periods 13-18
17. [RN] 7s^2 / 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 7s2
20. (n-2) / Inserted in the middle of elements in the periodic table, then brought down to the bottom
21. Expressed in the acronym EMR / When energy with wave-like behavior as it travels through space
23. Increases from left to right on the periodic table / Increases from top to bottom on the periodic table
24. [AR] 4s^23d^10 / 1s2222p63s23p64s23d10

1. Organizes EMR according to wavelength and frequency / Viewed through a spectroscope
4. In group 18 / Contains 8 valence electrons
5. [AR] 4s^23d^104p^5 / 1s22s22p63s23p64s23d104p5
7. Write noble gas in [ ] / Go up one period and all the way to the right to start
9. 1s22s22p63s23p5 / [Ne] 3s² 3p⁵
10. Noble gasses don’t have this because they have 8 valence electrons / Increases from bottom to the top of the periodic table
13. Decreases from left to right on the periodic table / Half of the distance between the nuclei of 2 like atoms
15. wavelength(frequency) / 3.00 x10^8 m/s
18. This color has the longest wavelength / This color also has the most energy
19. Distance between two different corresponding waves / Labeled in equations as the symbol “λ”
20. Measured in Hertz or seconds / In both light equations
22. 1s22s22p1 / [He] 2s2 2p1