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Homework 10, due Sept 28
Ionization Potential T₀ = E₀ / kᵦ.
kᵦ = 8.62×10⁻⁵ eV K⁻¹.
1) What is the ionization potential of H 0 in K?
T₀ = 158000 K.
2) What are the ionization potentials, in K, of the all 14 atoms and ions of
Si? (Si 0 , Si + , Si 2+ , Si 3+ , Si 4+ , ... Si 13+ ?)
T₀[Si I] = 9.46E+04 K. (M)
T₀[Si II] = 1.90E+05 K. (M)
T₀[Si III] = 3.89E+05 K. (M)
T₀[Si IV] = 5.24E+05 K. (M)
T₀[Si V] = 1.94E+06 K. (L)
T₀[Si VI] = 2.38E+06K. (L)
T₀[Si VII] = 2.86E+06 K. (L)
T₀[Si IIX] = 3.52E+06 K. (L)
T₀[Si IX] = 4.07E+06 K. (L)
T₀[Si X] = 4.66E+06 K. (L)
T₀[Si XI] = 5.53E+06 K. (L)
T₀[Si XII] = 6.07E+06 K. (L)
T₀[Si XIII] = 2.83E+07 K. (K)
T₀[Si XIV] = 3.10E+07 K. (K)
3) On the table you make of ionization potentials, indicate whether the
outermost electrons are in the K, L, or M shell.
Above.
4) Make a plot with the x axis the ion number (0 for Si 0 , 1 for Si + , etc), the y
axis the ionization potential in eV
a. First linear y axis
b. Second log y axis
Plots uploaded sparately.