3664675
Description
Question 1
Question
The 4 main sub-shells are S, P, D and E?
Answer
- True
- False
Question 2
Question
Which sub-shell is the first to be filled with valence electrons?
Answer
-
2p
-
2s
-
3d
-
1s
Question 3
Question
How many orbitals does a d sub-shell have?
Answer
-
2
-
5
-
3
-
4
Question 4
Question
The p orbital first features in the 3rd energy level
Answer
- True
- False
Question 5
Question
No two quantum numbers are the same in an element.
Answer
- True
- False
Question 6
Question
What is the electronic configuration of the atom, Oxygen?
Answer
-
1s2 2s2 2p7
-
1s2 2s2 2p1
-
1s2 2s2 2p4
-
2s1 2s2 3p4
Question 7
Question
What is the electronic configuration of the element chromium (Cr)?
Answer
-
1s2 2s2 2p6 3s2 3p6 3d4 4s2
-
1s2 2s2 2p6 3s2 3p6 3d5 4s1
-
1s2 2s2 2p6 3s2 3p5 4s1 3d3
-
2s2 1s2 3p6 3s2 2p6 4s1 3d5
Question 8
Question
You can never have a 3d4 or 3d8 sub-shell configuration.
Answer
- True
- False
Question 9
Question
What is the Hund's rule of Maximum Multiplicity (sitting on the bus rule)?
Answer
-
Cannot determine the position and the momentum of an electron at the same time.
-
No two electrons can have the same four quantum numbers.
-
When in orbitals of equal energy, electrons will try to remain unpaired.
-
Electrons enter at the lowest energy level.
Question 10
Question
Which sub-shell has the l quantum number 2?
Answer
-
S
-
P
-
D
-
F
Question 11
Question
What are the spin quantum numbers for and electron?
Answer
-
+1/2 and -1/2
-
+1 and -1
-
+1/3 and -1/3
-
+1/4 and -3/4
Question 12
Question
The 4s subshell fills before the 3d subshell.
Answer
- True
- False
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