2. In Bohr's atomic theory, when an electron moves from one energy level to another energy level more distant from the nucleus:
energy emitted energy absorbed no change light emmitted none
3. Calculate the wavelength of light emitted when the following transition occurs in the hydrogen atom: n = 3 n = 1
56 * 10-7 456.7 656.7 4.56 * 10-7 524
4. Which element has an electron configuration of [Ar]4s23d10?
Cd Li Zn Cu
5. What is the ionization energy of He+?
5246 kJ/mol 1212 kJ/mol 4064 kJ/mol 1313 kJ/mol 7241 kJ/mol
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