Chem 161 Ready for class? Quantum Theory and Atomic Structure
1.
What is the wavelength of electromagnetic radiation which has a frequency of 4.464 x 1014 s-1?
2. Calculate the frequency of visible light having a wavelength of 589.3 nm
3. What is the energy, in joules, of one photon of visible radiation with a wavelength of 464.1 nm?
4. A) What is the energy, in joules, of one photons associated with radiation that has a frequency of
6.336 × 1015 Hz?
b) one mole of photons?
5.
a) Calculate the energy required to excite a hydrogen atom by causing an electronic transition from
the energy level with n = 1 to the level with n = 4.
b) Sketch an energy diagram (quantum leap) showing what you have done in (a). Show the energy level
and the transition using an arrow.
6. Write mathematical equation that shows the relationship between…. Then state the relationship
between the two (directly, inversely, not related)
a) wavelength and frequency
b)energy and frequency
7. Sketch the shape(s) associated with s-subshell, p-shushell, d-subshell.
8. Summarize in your own words the information associated with
a) n
c) l
d) ml
e) ms
9. Write the quantum numbers.
a) ml for l = 4
b) ms for 5s
c) l for n= 10
10. (a)Sketch a periodic table and show block names.
(b) Write the sequence of orbitals when filling electrons.
1s  2s  2p …..
11. In your own words, explain Heisenberg uncertainly principle.