Practice Review Of Electron Configuration And Aufbau Principle (2.1) - Chapter 2: Atomic Structure & Periodicity
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Review of Electron Configuration and Aufbau Principle

Practice - Review of Electron Configuration and Aufbau Principle

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the Aufbau principle?

💡 Hint: Think about energy levels.

Question 2 Easy

What maximum number of electrons can an s-orbital hold?

💡 Hint: Remember the 's' is the first letter in 'two'.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the Aufbau principle state?

Electrons fill higher energy orbitals first.
Electrons fill lower energy orbitals first.
Electrons fill orbitals randomly.

💡 Hint: Think about energy efficiency.

Question 2

True or False: According to the Pauli Exclusion Principle, two electrons can occupy the same orbital with the same spin.

True
False

💡 Hint: Consider the implications of sharing in a crowded space.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe the expected and actual electron configurations of copper (Cu). What is the significance of this difference?

💡 Hint: Consider stability when evaluating electron configurations.

Challenge 2 Hard

Given an element with the electron configuration [Xe] 6s² 4f¹⁴ 5d⁹, identify the element and justify its placement in the periodic table.

💡 Hint: Check the periodic table for d-block positioning.

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