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Worksheets2.3 QUANTUM MECHANICS
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
What shape are "p" orbitals?
a)
Cloverleaf shaped
b)
Spherical shaped
c)
Hybrid structure
d)
Dumbell shaped
2.
What is the shape of d orbital
a)
sphere
b)
cloverleaf
c)
dumbell
3.
No two electrons in the same atom can have the same four quantum numbers.
a)
Aufbau principle
b)
Pauli exclusion principle
c)
Hund’s rule
d)
Noble gas notation
4.
Which set of Quantum numbers is not allowed
a)
(3,1,1,-1/2)
b)
(2,1,-2,+1/2)
c)
(4,2,-1,-1/2)
5.
Which orbitals cannot exist
a)
3p
b)
4d
c)
3f
d)
6s
6.
which of the following is the correct spdf notation of Nitrogen atom (z= 7)
a)
1s2 2s2 2p2
b)
1s2 2s2 2p3
c)
1s2 2s2 2p5
7.
The electron configuration of an atom is 1s22s22p2. The number of valence electrons in the atom is
a)
4
b)
2
c)
6
8.
What is incorrect about this orbital diagram?
a)
Both arrows in the filled 2p box should be pointing the same direction
b)
There is nothing incorrect with this diagram
c)
In 2p orbital there should only be 1 arrow in the first 2p box and another one arrow in the 2nd 2p box where both arrow pointing upward
d)
All the arrows should be pointing the same direction.
9.
Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?
a)
Hund's
b)
Aufbau's
c)
Pauli's Exclusive
10.
Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?
a)
Aufbau's
b)
Hund's
c)
Pauli exclusive
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