What is the ground state electron configuration for iron?
Understand the Problem
The question is asking for the ground state electron configuration of the element iron. Iron has the atomic number 26, which means it has 26 electrons. To write the electron configuration, we will follow the order of filling the atomic orbitals according to the Aufbau principle.
Answer
[Ar] 3d6 4s2
The final answer is [Ar] 3d6 4s2
Answer for screen readers
The final answer is [Ar] 3d6 4s2
More Information
The electron configuration indicates the distribution of electrons among the orbitals of the atom and is critical for understanding the chemical behavior of iron.
Tips
A common mistake is to incorrectly order the 4s and 3d orbitals. Remember that the 4s orbital is filled before the 3d.
Sources
- WebElements Periodic Table » Iron » properties of free atoms - webelements.com
- The ground state electron configuration of Fe is. - BYJU'S - byjus.com
- Electron Configuration for Iron (Fe, Fe2+, and Fe3+) - TerpConnect - terpconnect.umd.edu
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