Electron Configurations & the Four Quantum Numbers


Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Iron (Fe) has 26 electrons. Using Madelung's rule, what is iron's electron configuration?

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free
Try it risk-free for 30 days. Cancel anytime
Already registered? Log in here for access

1. Which of the following is NOT true about the principal quantum number?

2. The angular momentum quantum number (l), which tells us the shape of the electron orbitals, is determined by the principal quantum number (n). If we have a value of 2 for n, what will we get for our values of l?

Create your account to access this entire worksheet
A Premium account gives you access to all lesson, practice exams, quizzes & worksheets
Access to all video lessons
Quizzes, practice exams & worksheets
Certificate of Completion
Access to instructors
Create an account to get started Create Account

About This Quiz & Worksheet

This quiz/worksheet combo allows you to check what you know about electron configurations and the four quantum numbers. You must apply your knowledge of Madelung's rule and understand the structure of electrons in order to do well on this quiz.

Quiz & Worksheet Goals

For this quiz, you will need to:

  • Use Madelung's rule to determine iron's electron configuration
  • Recognize true and false statements about the principal quantum number
  • Apply your knowledge of the angular momentum and principal quantum numbers to solve a given problem
  • Name which quantum number the number of orientations is dependent on
  • Describe a fact about the spins of two paired electrons in an orbital

Skills Practiced

  • Problem solving - use acquired knowledge to solve quantum number practice problems
  • Information recall - access the knowledge you've gained regarding Madelung's rule
  • Knowledge application - use your knowledge to answer questions about the principal quantum number

Additional Learning

Expand your understanding of this topic by reviewing the lesson titled Electron Configurations & the Four Quantum Numbers. You can find out more about:

  • What each element is defined by
  • What information is determined by electron configuration
  • How an orbital is defined
  • What two things the principal quantum number tells us
  • How the Pauli exclusion principal is upheld