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1- The red light of a neon sign has a wavelength equal to 6599 nm- a).docx

1. The red light of a neon sign has a wavelength equal to 6599 nm.

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3
1. The red light of a neon sign has a wavelength equal to 6599 nm.

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3
Solution
1.
(a)
Frequency = speed of light / wave length = 3 * 10 8 / ( 6599 * 10 -9 ) = 4.55 * 10 13 Hz
(b)
Energy = Planck\'s constant * frequency = 6.626 * 10 -34 * 4.55 * 10 13 = 3.01 * 10 -20 J
2.
For n= 3 , l = 0, and m l = 0 and ms = + 1/2 , - 1/2
l = 1 , and ml = + 1, 0 , - 1 and ms = + 1/2 , - 1/2 for each orbital
l = 2 and ml = + 2, + 1, 0 , - 1 , - 2 and ms = + 1/2 , - 1/2 for each orbital
.

1. The red light of a neon sign has a wavelength equal to 6599 nm.

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3
1. The red light of a neon sign has a wavelength equal to 6599 nm.

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3

a) what is the frecuencia of the radiation?

b) What is the energy of the radiation?

2. Write all possible sets of quantum numbers for an electron in the n=3
Solution
1.
(a)
Frequency = speed of light / wave length = 3 * 10 8 / ( 6599 * 10 -9 ) = 4.55 * 10 13 Hz
(b)
Energy = Planck\'s constant * frequency = 6.626 * 10 -34 * 4.55 * 10 13 = 3.01 * 10 -20 J
2.
For n= 3 , l = 0, and m l = 0 and ms = + 1/2 , - 1/2
l = 1 , and ml = + 1, 0 , - 1 and ms = + 1/2 , - 1/2 for each orbital
l = 2 and ml = + 2, + 1, 0 , - 1 , - 2 and ms = + 1/2 , - 1/2 for each orbital
.

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