Question 1

Which of the following subshells is possible for an electron in the $n = 3$ shell?

Accepted Answer

$3d$

Question 2

How many subshells are present in the $n = 4$ shell?

Accepted Answer

4

Question 3

For the $n = 2$ shell, which of the following is NOT a valid subshell?

Accepted Answer

$2d$

Question 4

If an atom has an electron in the $4f$ subshell, what is the value of $n$ for this electron?

Accepted Answer

4

Question 5

Which set correctly lists all possible subshells for $n = 3$?

Accepted Answer

$3s, 3p, 3d$

Question 6

A chemist is analyzing an atom with electrons in the $n = 2$ shell. Which subshells can these electrons occupy?

Accepted Answer

$2s$ and $2p$

Question 7

How many subshells are possible for $n = 5$?

Accepted Answer

5

Question 8

Which of the following subshells does NOT exist for $n = 4$?

Accepted Answer

$4h$

Question 9

A student claims that the $n = 1$ shell contains both $1s$ and $1p$ subshells. Is this correct?

Accepted Answer

No, only the $1s$ subshell exists for $n = 1$.

Question 10

Which subshell is present in the $n = 2$ shell but not in the $n = 1$ shell?

Accepted Answer

$2p$

Question 11

If an electron is found in the $3d$ subshell, what is the principal quantum number $n$?

Accepted Answer

3

Question 12

Which of the following is a correct pairing of shell number and subshell?

Accepted Answer

$n = 4$, $4f$

Question 13

How many subshells are present in the $n = 2$ shell?

Accepted Answer

2

Question 14

Which subshell is NOT possible for $n = 3$?

Accepted Answer

$3f$

Question 15

A medical imaging technique uses electrons in the $n = 4$ shell. Which subshells could these electrons occupy?

Accepted Answer

$4s$, $4p$, $4d$, $4f$

Electron Structure: Subshells and Quantum Numbers

Study Guide - Practice Questions