Free Printable Olympiad Quantum Numbers

1.

What is the value of the quantum number $l\ \left(L\right)$ for a $5p$ orbital?

a)

1

b)

2

c)

3

d)

4

2.

Which set of quantum numbers $n,\ l,\ m_l,\ m_s$ is invalid?

a)

1, 1, 0, -1/2

b)

2, 0, 0, +1/2

c)

3, 1, 0, +1/2

d)

4, 3, 2, -1/2

3.

How many total orbitals are there with principal quantum number n=4?

a)

1

b)

4

c)

9

d)

16

4.

An orbital in a ground-state gas-phase As atom has n=3, l=1. How many electrons are in this orbital?

a)

0

b)

1

c)

2

d)

6

5.

How many completely filled p orbitals are present in a ground state Cl atom?

a)

1

b)

2

c)

4

d)

5

6.

Which set of quantum numbers could NOT correspond to an electron in a ground-state gas phase Pd atom?

a)

$n=2,\ l=1,\ m_l=-1,\ m_s=\frac{1}{2}$

b)

$n=3,\ l=3,\ m_l=-1,\ m_s=-\frac{1}{2}$

c)

$n=4,\ l=0,\ m_l=0,\ m_s=-\frac{1}{2}$

d)

$n=4,\ l=2,\ m_l=2,\ m_s=\frac{1}{2}$

7.

Which is a possible set of quantum numbers $n,\ l,\ m_l,\ m_s$ for a valence electron of sulfur (S)?

a)

3, 2, 2, 1/2

b)

3, 1, -1, 1/2

c)

2, 1, 0, 1/2

d)

3, 2, 0, -1/2

8.

Which gas-phase atom has no unpaired electrons in its ground state?

a)

Li

b)

Be

c)

B

d)

C

Olympiad Quantum Numbers

Total questions: 8

Worksheet time: 16mins

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