8 (a) What is the ground state of sodium? Assuming the 5s level of sodium is at -1 eV, and an electron decays from 5s to the 3p state and then from 3p to the 3s state, b) how much energy would each emitted photon carry? c) From these values calculate the ionization energy of sodium? (d) If (-13.6 eV). Zeff n² what would be the effective nuclear charge felt by the 3s electron? =
8 (a) What is the ground state of sodium? Assuming the 5s level of sodium is at -1 eV, and an electron decays from 5s to the 3p state and then from 3p to the 3s state, b) how much energy would each emitted photon carry? c) From these values calculate the ionization energy of sodium? (d) If (-13.6 eV). Zeff n² what would be the effective nuclear charge felt by the 3s electron? =
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Transcribed Image Text:-1
7
~
Energy (eV)
w
+
-5
6s
5s
4s:
3s
615.8
515.2.
1139.6-
5p
4p
3P
589.2.
5d
4d
498.1
568.6
(b)
819.1
3d
5f
4f
Figure b) Sodium with wavelengths listed in nm, and because 3p level is actually listed as the
average of the two closely spaced levels, the wavelengths listed to this level are given as the
average to the two closely spaced levels. All other fine structure splitting is negligible.
8 (a) What is the ground state of sodium? Assuming the 5s level of sodium is at -1 eV, and an
electron decays from 5s to the 3p state and then from 3p to the 3s state, b) how much energy
would each emitted photon carry? c) From these values calculate the ionization energy of
sodium? (d) If
Z'eff
En = (-13.6ev) err
n²
what would be the effective nuclear charge felt by the 3s electron?
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