Practice Aufbau Principle, Pauli Exclusion Principle, and Hund’s Rule - 4.4 | Atomic Structure | IB MYP Class 10 Sciences (Group 4) – Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What principle states that electrons fill orbitals starting from the lowest energy level?

💡 Hint: Think of the order in which you fill layers in a structure.

Question 2

Easy

What does the Pauli Exclusion Principle state?

💡 Hint: Consider how many electrons can share space in an orbital.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the order of filling orbitals according to the Aufbau Principle?

  • 2p before 3s
  • 3s before 2s
  • 1s before 2s

💡 Hint: Consider where the electrons would naturally settle.

Question 2

True or False: An orbital can accommodate a maximum of four electrons.

  • True
  • False

💡 Hint: Think about how many dancers can occupy the same space.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given an element with an atomic number of 35, write its electron configuration and discuss how it follows the Aufbau Principle.

💡 Hint: Remember to add electrons sequentially according to available orbitals.

Question 2

Choose an element with unpaired electrons in its electron configuration, explain your choice referencing Hund's Rule.

💡 Hint: Check the 2p orbitals for unpaired options.

Challenge and get performance evaluation