Contributed by:
The highlights are:
1. Color = Energy of photons
2. Energy levels
3. An excited lithium-ion
4. Excitation of Hydrogen atoms
5. Return to ground state
1.
Electrons can only be at
specific energy levels,
NOT between levels.
Excited state
e- Ground state
2.
Color = Energy of Photons
Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 329
3.
Energy Level
D
C
B
Four
excited
states
Energy
A
Ground state
Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 329
4.
An Excited Lithium Atom
Excited Li atom
Energy
Photon of
red light
emitted
Li atom in
lower energy state
Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 326
5.
An Excited Lithium Atom
Excited Li atom
Energy
Photon of
red light
emitted
Li atom in
lower energy state
Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 326
6.
Excitation of Hydrogen Atoms
Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 328
7.
Return to Ground State
8.
Frequency A
Frequency B
Frequency C
A C
B
A + B = C
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