Worksheet Answers Chapter 5
1 a. 1s22s22p63s2
c. 3-s, 3-p, 0-d, 0-f
d. 0 unpaired
e.
f. full sublevels: s-3, p-1, d-0, f-0
g. 2 full energy levels
h. 2 valence electrons
2 a. 1s22s22p5
c. 2-s, 2-p, 0-d, 0-f
d. 1 unpaired
e.
f. full sublevels: s-2, p-0, d-0, f-0
g. 1 full energy level
h. 7 valence electrons
3 a. 1s22s22p63s23p64s23d104p65s24d105p1
c. 5-s, 9-p, 10-d, 0-f
d. 1 unpaired
e.
f. full sublevels: s-5, p-3, d-2, f-0
g. 3 full energy levels
h. 3 valence electrons
4 a. 1s22s22p63s23p64s23d104p65s24d105p66s24f145d4
c. 6-s, 12-p, 10-d, 7-f
d. 4 unpaired
e.
f. full sublevels: s-6, p-4, d-2, f-1
g. 4 full energy levels
h. 2 valence electrons
5 a. 1s22s22p63s23p64s23d4 (predicted)
1s22s22p63s23p64s13d5 (actual)
c. 3-s, 6-p, 0-d, 0-f
d. 4-unpaired (predicted), 6-unpaired (actual)
e.
f. full sublevels: s-3, p-2, d-0, f-0
g. 2 full energy levels
h. 1 valence electron
6 a. 1s22s22p63s23p64s23d104p65s24d105p66s24f145d9
c. 6-s, 12-p, 14-d, 7-f
d. 1 unpaired
e.
f. full sublevels: s-6, p-4, d-2, f-1
g. 4 full energy levels
h. 2 valence electrons
7 a. 1s22s22p63s23p64s23d104p65s24d1
c. 5-s, 9-p, 5-d, 0-f
d. 1 unpaired
e.
f. full sublevels: s-5, p-3, d-1, f-0
g. 3 full energy levels
h. 2 valence electrons
8 a. [Xe] 6s24f145d10
c. 6-s, 12-p, 15-d, 7-f
d. 0 unpaired
e.
f. full sublevels: s-6, p-4, d-3, f-1
g. 4 full energy levels
h. 2 valence electrons
9 a. [Kr] 5s24d105p6
c. 5-s, 12-p, 10-d, 0-f
d. 0 unpaired
e.
f. full sublevels: s-5, p-4, d-1, f-0
g. 3 full energy levels
h. 8 valence electrons
10 a. [Xe] 6s24f10
c. 6-s, 12-p, 10-d, 3-f
d. 4 unpaired
e.
f. full sublevels: s-6, p-4, d-2, f-0
g. 3 full energy levels
h. 2 valence electrons
1 a. 43, Technetium
2 a. 6, Carbon
3 a. 70, Ytterbium
4 a. 25, Manganese
5 a. 83, Bismuth
6. a. 103, Lawrencium
1 a. Selenium
2 a. Argon
3 a. Cesium
4 a. Iridium
5 a. Cerium
6 a. Iodine
Light Problems
1. 7.06 x 10-6m (Infrared)
2.82 x 10-20J
2. 5.706 x 1014Hz
3.781 x 10-19J
3. 1.09 x 1020Hz
2.75 x 10-12m (Gamma rays)
