Quiz Chapters 7 & 8
1. Using the Bohr model equation:
E = − 2.178x10
−18
 Z2 
J 2 
n 
A (4 points) Calculate the wavelength associated with an electron moving form the n=6
level to the n=2 level.
B (1 point) Would this correspond to emitted light or absorbed light?
2. (5 points) What is the maximum number of electrons in an atom that can have these
quantum numbers:
_____a. n=5
____ b. n=4, mR =2
____ c. n=3,ms = -1/2
____ d. n=3, R = 1
____ e. n=3, R =2, mR = -2, ms= -1/2
3. Write the electron configuration for the following atoms (2 points/atom) :
N
Si
K
Cu
Te
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4. (4 points) Arrange the following groups of atoms in order of
Size:
Na, K, Rb
Ionization energy:
F, As, Br
Electron Affinity:
Cl, Br, I
First Ionization Energy:
Se, Br, Kr
16