1. H spectra 656 nm 486 nm 434 nm 410 nm

2. Ne spectra 540.1green 585.2yellow 588.2yellow 603.0orange 607.4orange 616.4orange 621.7red-orange 626.6red-orange 633.4red 638.3red 640.2red 650.6red 659.9red 692.9red 703.2red

3. Energy levels and H bright line spectrum Energy sp d f 1 2 5 4 7 6 3 energy IR teal UV “ground state” “excited state” n animation: orbital shapes and spectra

4. Energy levels and H bright line spectrum Energy sp d f 1 2 5 4 7 6 3 energy V teal UV “ground state” “excited state” n animation: orbital shapes and spectra energy

5. Ne spectra 540.1green 585.2yellow 588.2yellow 603.0orange 607.4orange 616.4orange 621.7red-orange 626.6red-orange 633.4red 638.3red 640.2red 650.6red 659.9red 692.9red 703.2red

6. Neon bright line spectrum Energy sp d f 1 2 5 4 7 6 3 0 Joules Neon: 10 electrons Ne: 1s 2 2s 2 2p 6

7. Neon bright line spectrum Energy sp d f 1 2 5 4 7 6 3 0 Joules Neon: 10 electrons “Ground state” Ne: 1s 2 2s 2 2p 6 energy an “excited state” Ne: 1s 1 2s 1 2p 3 3p 1 4p 1 5s 1 5f 1 6p 1

8. Why do we get only distinct lines in the atomic emission spectrum? Make a concept map: –Ground state –Excited state –Energy level –Electron –Energy –Frequency –Wavelength –light: visible, UV, IR –orbital

9. Bright line (emission) spectra hydrogen mercury

10. Energy levels and H bright line spectrum Energy sp d f 1 2 5 4 7 6 3 energy V teal UV “ground state” “excited state” n animation: orbital shapes and spectra Dr. Quantum double slit electrons as waves...Quantum Mechanics!! energy

11. Neon bright line spectrum Energy sp d f 1 2 5 4 7 6 3 0 Joules Neon: 10 electrons Ne: 1s 2 2s 2 2p 6

12. Neon bright line spectrum Energy sp d f 1 2 5 4 7 6 3 0 Joules Neon: 10 electrons “Ground state” Ne: 1s 2 2s 2 2p 6 energy an “excited state” Ne: 1s 1 2s 1 2p 3 3p 1 4p 1 5s 1 5f 1 6p 1

13. Energy sp d f 1 2 5 4 7 6 3 Neon: 10 electrons Ne: 1s 2 2s 2 2p 6 Energy sp d f 1 2 5 4 7 6 3 Mercury: 80 electrons Different atoms have different “empty” energy level diagrams

14. Hg spectra 435.835 nm (blue), 546.074 nm (green), and a pair at 576.959 nm and 579.065 nm (yellow- orange). There are two other blue lines at 404.656 nm and 407.781 nm and a weak line at 491.604 nm.