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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
State the Aufbau Principle in simple terms.
💡 Hint: Think about how a building is constructed, starting from the ground.
Question 2
Easy
What is one consequence of the Pauli Exclusion Principle?
💡 Hint: Remember the 'perfect pairing' concept.
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
According to the Aufbau Principle, which orbital is filled first?
- 1s
- 2p
- 3s
💡 Hint: Think about electrons preferring lower energy states.
Question 2
True or False: The Pauli Exclusion Principle allows two electrons in the same orbital to have identical spins.
- True
- False
💡 Hint: Recall how electrons need to 'pair up' differently.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose you have an element with atomic number 17. Write down its electron configuration, and apply the principles discussed.
💡 Hint: Break down and fill according to the stated filling order.
Question 2
How would the electron configuration differ for an ion, say Cl⁻, after gaining an electron?
💡 Hint: Think about what happens when the atom gains an electron.
Challenge and get performance evaluation