This document contains 6 questions about general chemistry concepts including: 1) The maximum number of electrons that can occupy atomic subshells and quantum numbers 2) Writing condensed electron configurations and determining unpaired electrons for various atoms 3) Calculating frequency and wavelength from each other 4) Labeling statements about electromagnetic radiation as true or false 5) Calculating and comparing photon energies at different wavelengths 6) Drawing the electromagnetic spectrum.

1. GENERAL CHEMISTRY-I (1411)
S.I. # 27
1. What is the maximum number of electrons that can occupy each of the following
subshells:
a. 3p ________
b. 5d ________
c. 2s ________
d. 4f ________
2. What is the maximum number of electrons in an atom that can have the following
quantum numbers:
a. n = 2, ms = - ½
b. n = 5, l = 3
c. n = 4, l = 3, ml = -3
d. n = 4, l = 1, ml = 1
3. Write the condensed electron configuration for the following atoms, and indicate
how many unpaired electrons each has:
a. Cs
b. Ni
c. Se
d. Cd
e. Ac
f. Pt
g. Ga
h. Ca
i. V
j. I
4. a) What is the frequency of radiation whose wavelength is 10.0 A? b) What is the

2. wavelength of radiation that has a frequency of 7.6x1010 s-1?
5. Label each of the following statements as true or false. For those that are false,
correct the statement.
a. Visible light is a form of electromagnetic radiation.
b. The frequency of radiation increases as the wavelength increases.
c. Ultraviolet light has longer wavelengths than visible light.
d. Electromagnetic radiation and sound waves travel at the same speed.
5. a.) Calculate and compare the energy of a photon of wavelength 3.3µm with that
of wavelength 0.154 nm.
6. Draw the electromagnetic spectrum for the wavelengths of light: