Electron Energy Levels

Lesson: Electrons, Orbitals, and Energy Levels

By William Lovering

Multiple Choice

What letter represents an energy level?

• S

• N

• E

• Q

Fill in the Blank

There are _____ different orbital shapes/sublevels

Fill in the Blank

The "s" sublevel has ____ orbital(s) that can hold a total of _____ electrons.

Fill in the Blank

The "d" sublevel has ____ orbital(s) that can hold a total of _____ electrons.

Multiple Choice

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Multiple Choice

How many electrons can a d sublevel hold?

• 14

• 10

• 2

• 6

Multiple Choice

What are the orbitals for n=4

• s

• s, p

• s, p, d

• s, p, d, f

Multiple Choice

This orbital diagram represents:

• Carbon

• Boron

• Nitrogen

• Oxygen

Multiple Choice

This orbital diagram represents

• Sodium

• Magnesium

• Aluminum

• Iron

Multiple Choice

Which orbital shows a violation of the Aufbau Principle?

• A
• B
• C
• D

Multiple Choice

Which orbital shows a violation of the Pauli Exclusion Principle?

• A
• B
• C
• D

Multiple Choice

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle

Multiple Choice

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up
• There is nothing incorrect with this diagram
• In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
• All the arrows should be pointing up.

Multiple Choice

Which orbital diagram violates of Hund's Rule?

• A

• B

• C

• D

Multiple Choice

The number of arrows placed in an orbital diagram = the number of...

• atoms

• electrons

• protons

• neutrons

Multiple Choice

How many electrons can be held at most in the p subshell?

• 2

• 6

• 10

• 14

Multiple Choice

Which rule is violated in this orbital diagram?

• Aufbau

• Pauli

• Hund's

Multiple Choice

Which rule is violated in this orbital diagram?

• Aufbau

• Pauli

• Hund's