Practice - Aufbau Order Diagram
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Practice Questions
Test your understanding with targeted questions
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.
What is the atypical electron configuration of chromium?
💡 Hint: Remember it’s more stable with a half-filled d subsystem.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following describes the Aufbau principle?
💡 Hint: Think about the energy levels of orbitals.
Does the Pauli Exclusion Principle allow two electrons in the same orbital?
💡 Hint: Consider how two items can share the same locker.
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Challenge Problems
Push your limits with advanced challenges
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.
Discuss how understanding the Aufbau principle can help predict the reactivity of elements.
💡 Hint: Consider the implications of full vs. partially filled outer shells.
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Reference links
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