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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the general order of filling electron orbitals based on the Aufbau principle?
💡 Hint: Try to remember it like counting stairs; start from the first step.
Question 2
Easy
What is the atypical electron configuration of chromium?
💡 Hint: Remember it’s more stable with a half-filled d subsystem.
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
Which of the following describes the Aufbau principle?
- Electrons fill from highest to lowest energy.
- Electrons fill from lowest to highest energy.
- Electrons fill randomly without a specific order.
💡 Hint: Think about the energy levels of orbitals.
Question 2
Does the Pauli Exclusion Principle allow two electrons in the same orbital?
- Yes
- No
💡 Hint: Consider how two items can share the same locker.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are given the atomic number of copper (Z=29). Write its electron configuration and explain any anomalies.
💡 Hint: Think about why stability in d-subshells affects positioning.
Question 2
Discuss how understanding the Aufbau principle can help predict the reactivity of elements.
💡 Hint: Consider the implications of full vs. partially filled outer shells.
Challenge and get performance evaluation