Question 1

Which quantum number determines the shape of an atomic orbital?

Accepted Answer

The angular momentum quantum number $$l$$

Question 2

Which of the following orbitals has a spherical shape?

Accepted Answer

$$s$$ orbital

Question 3

How many $$p$$ orbitals are present in a single energy level?

Accepted Answer

3

Question 4

Which set of quantum numbers is valid for a $$4d$$ orbital?

Accepted Answer

$$n = 4, l = 2$$

Question 5

Which of the following statements is FALSE?

Accepted Answer

A set of $$s$$ orbitals contains 3 orbitals.

Question 6

Which of the following orbitals possesses the most orbital shapes?

Accepted Answer

$$4f$$

Question 7

If an electron is in a $$3p$$ orbital, what are the possible values for the magnetic quantum number $$m_l$$?

Accepted Answer

$$-1, 0, +1$$

Question 8

Which of the following best describes an orbital?

Accepted Answer

A region in an atom where electrons are most likely to be found

Question 9

How many total orbitals are present in the $$n = 3$$ energy level?

Accepted Answer

9

Question 10

Which of the following is a correct set of orbitals for the $$n = 4$$ energy level?

Accepted Answer

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

Question 11

A chemist is analyzing the electron configuration of an unknown element. If the highest energy electrons are in a $$3d$$ orbital, which of the following could be the element?

Accepted Answer

Iron ($$Z = 26)$$

Question 12

Which quantum number is responsible for distinguishing between the different orientations of $$p$$ orbitals?

Accepted Answer

Magnetic quantum number $$m_l$$

Question 13

Which of the following statements about $$f$$ orbitals is correct?

Accepted Answer

$$f$$ orbitals have 7 different shapes.

Question 14

Which of the following is the correct relationship between sublevel and orbital shape?

Accepted Answer

$$d$$ sublevel: cloverleaf shape

Question 15

How many electrons can occupy all the $$p$$ orbitals in a single energy level?

Accepted Answer

6

Electron Structure: Orbitals and Their Shapes

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