CH 221—Ziegler
Chem 221 worksheet for Chapter 6,7
1. Complete the following table by calculating the missing terms
λ wavelength ν frequency
(Hz or sec-1)
Energy/photon
(J) Energy/ mole (kJ/mole)
4.18 x 10-6 m
3.74 x 1014 Hz
3.05 x 10-19 J
518 kJ/mole
2. How many electrons can be placed into the following?
a. the n= 2 level ______________
b. a 4s orbital ______________
c. a 3p orbital ______________
d. all of the 4d orbitals ______________
e. a 1s orbital ______________
f. the n= 1 level ______________
g. the ℓ =1 sublevel ______________
3. Give the electron configurations for the following gaseous ground state atoms
a. 7N __________________________________
b. 6C __________________________________
c. 15P __________________________________
d. 33As __________________________________
e. 29Cu __________________________________
f. 17Cl __________________________________
g. 9F __________________________________
h. 12Mg __________________________________
i. 20Ca __________________________________
