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

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