Question 1

Which of the following best describes the general shapes of s, p, and d atomic orbitals?

Accepted Answer

s orbitals are spherical, p orbitals are dumbbell-shaped, and d orbitals are cloverleaf-shaped.

Question 2

Given the following orbital shapes: (1) a sphere, (2) two lobes along an axis, (3) four lobes in a cloverleaf pattern, which corresponds to a p orbital?

Accepted Answer

Shape 2

Question 3

Which quantum number determines the shape of an orbital?

Accepted Answer

Angular momentum quantum number, $$l$$

Question 4

How many different orientations (values of $$m_l) $$are possible for a d orbital?

Accepted Answer

$$5$$

Question 5

Which of the following orbitals can hold a maximum of 2 electrons?

Accepted Answer

A single s orbital

Question 6

Which of the following statements about atomic orbitals is correct?

Accepted Answer

All p orbitals have two lobes and are oriented along different axes.

Question 7

If an electron is in a 3d orbital, what are the possible values for the angular momentum quantum number $$l$$?

Accepted Answer

$$l = 2$$

Question 8

Which of the following best matches the orbital with its correct shape: 3d, 2p, 1s?

Accepted Answer

3d: cloverleaf, 2p: dumbbell, 1s: sphere

Question 9

Which orbital type is first available in the third energy level ($$n=3$$)?

Accepted Answer

d orbital

Question 10

How many total orbitals are present in the $$n=2$$ energy level?

Accepted Answer

$$4 ($$one s and three p orbitals)

Step-by-Step Study Guide for CHM 2045 Exam 3 (Chapters 7–9)

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