2. Which of the following is NOT determined by n, the quantum number?
the energy of the electron the minimum wavelength of the light needed to remove the electron from the atom the size of the corresponding atomic orbital(s) the shape of the corresponding atomic orbital(s) all of the above
3. What is the wavelength of a ball (mass 10 kg) traveling 54 m/s?
1.23 * 10-36 540 5.40 * 10-36 1.23 * 10-34 1.23 * 10-38
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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