Name: __________________________________ Class: ________
Date: ___________________________
QUANTUM NUMBERS WORKSHEET (total 63 poin) – (jumlah benar / 63) x 100%
1. Name the orbitals described by the following quantum numbers (@ 1 poin = 4 poin)
a. n = 3, l = 0 3s
b. n = 3, l = 1 3p
c. n = 3, l = 2 3d
d. n = 5, l = 0 5s
2. Give the n and l values for the following orbitals (@ 1 poin = 5 poin)
a. 1s
b. 3s
c. 2p
n=1 l=0
n=3 l=0
n=2 l=1
d. 4d n = 4 l = 2
e. 5f n = 5 l = 3
3. Place the following orbitals in order of increasing energy: (2 poin)
1s, 3s, 4s, 6s, 3d, 4f, 3p, 7s, 5d, 5p
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s
4. What are the possible ml values for the following types of orbitals? (@1 poin = 4 poin)
a. s 1 yi m = 0
c. d 5 yi m = -2, -1, 0, +1, +2
b. p 3 yi m= -1, 0, +1
d. f 7 yi m= -3, -2, -1, 0, +1, +2, +3
5. How many possible orbitals are there for n = (@1 poin = 2 poin)
a. 4 (ada 4 yi 4s, 4p, 4d, 4f)
b. 7 (ada 7 kemungkinan, yi 7s, 7p, 7d, 7f, 7g, 7h, 7i)
6. How many electrons can inhabit all of the n=4 orbitals? (1 poin) Bisa pakai rumus 2n2 = 2.42 = 32
4s2, 4p6, 4d10, 4f14 = 32 elektron
Identify the element whose last electron would have the following four quantum numbers: (@2 poin)
7. 3, 1, -1, +1/2__ Aluminium (Al)
10. 4, 3, +3, -1/2 Ytterbium (Yb)
8. 4, 2, +1, +1/2 Molibdenum (Mo)
11. 2, 1, +1, -1/2 Neon (Ne)
9. 6, 1, 0, -1/2
Urutan: n, l, m, s
Astatin (At)
Name: __________________________________ Class: ________
12.
(@1
poin
= 10
poin)
Valid
Date: ___________________________
Invalid
Valid
Invalid
Valid
Valid
Invalid
Invalid
Valid
Invalid
Which of the following represents a permissible set of quantum numbers? (answer “yes” if permissible and
“no” if no permissible) – (@1 poin)
13. 2, 2, +1, -1/2_NO
16. 7, 0, 0, -1/2__YES
14. 5, 1, 0, +1/2_YES
17. 4, 1, 8, +1/2__NO
15. 6, 3, -2, +1/2_YES
Write the four quantum numbers which describe the location of the highest energy electron of the following:
(@2 poin)
18. N #7__2, 1, +1, +1/2
21. Re #75___5, 2, +2, +1/2
29. Ni #28__3, 2, 0, -1/2
22. Pu #94___5, 3, +2, +1/2
20. Xe #54__5, 1, +1, -1/2
23. Br #35___4, 1, 0, -1/2
Name: __________________________________ Class: ________ Date: ___________________________
Give the four quantum numbers which describe the location of each of the following:
(@2 poin)
24. The 4th electron in carbon (2, 0, 0, -1/2)
25. The 25th electron in Hf (3, 2, +2, +1/2)
26. The 57th electron in Ho (4, 3, -3, +1/2)
27. The 49th electron in Xe (5, 1, -1, +1/2)