The Aufbau Principle


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question 1 of 3

In electron configurations, which subshell will fill up first in a given energy level?

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1. In electron configurations, which of these is the correct order that electrons would fill the subshells?

2. Who first wrote about the Aufbau principle?

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About This Quiz & Worksheet

The Aufbau principle helps us understand the organization of protons, neutrons and electrons within atoms. In this short quiz, you will be tested on how the Aufbau principle applies to atomic structures, the scientist who wrote this principle and electron configurations.

Quiz & Worksheet Goals

The quiz asks you to:

  • Point out the subshell that will fill up first in a given energy level
  • Utilize the Aufbau principle and Hund's rule to determine a correct configuration of electrons
  • Use information to determine a potential chemical bond between two atoms

Skills Practiced

  • Knowledge application - use your knowledge to point out the scientist who first wrote about the Aufbau principle
  • Information recall - access the understanding you've gained about which subshell will fill up first in electron configurations
  • Interpreting information - verify that you can read information about electron configurations under the Aufbau principle and Hund's rule and interpret it correctly

Additional Learning

To enhance your understanding of this subject, read or watch the lesson named The Aufbau Principle. This lesson covers:

  • The Bohr model
  • Details about Hund's rule
  • An example of the Aufbau principle that involves a chlorine atom