Chemistry MCQs

Chemistry

Atomic Structure


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#25

Orbitals are filled in order of increasing energy. This is:

A) Aufbau principle

B) Hund rule

C) Pauli principle

D) Le Chatelier principle

Answer:   A
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#26

The s subshell can hold a maximum of:

A) 2 electrons

B) 6 electrons

C) 10 electrons

D) 14 electrons

Answer:   A
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#27

The p subshell can hold a maximum of:

A) 2 electrons

B) 6 electrons

C) 10 electrons

D) 14 electrons

Answer:   B
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#28

The d subshell can hold a maximum of:

A) 6 electrons

B) 8 electrons

C) 10 electrons

D) 12 electrons

Answer:   C
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#29

The f subshell can hold a maximum of:

A) 12 electrons

B) 10 electrons

C) 8 electrons

D) 14 electrons

Answer:   D
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#30

The ground state of hydrogen has principal quantum number:

A) 1

B) 2

C) 0

D) 3

Answer:   A
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#31

The K shell corresponds to:

A) n = 2

B) n = 1

C) n = 3

D) n = 4

Answer:   B
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#32

The L shell corresponds to:

A) n = 1

B) n = 3

C) n = 2

D) n = 4

Answer:   C
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