Write the complete ground-state electron configuration of bromine.
Understand the Problem
The question is asking for the electron configuration of bromine in its ground state, which involves identifying how the electrons are arranged in the atomic orbitals.
Answer
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
The final answer is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
Answer for screen readers
The final answer is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
More Information
Bromine, with atomic number 35, follows the Aufbau principle, filling lower energy orbitals first. The noble gas shorthand for bromine is [Ar] 4s2 3d10 4p5.
Tips
A common mistake is to skip the 3d orbitals when configuring the electron distribution; always remember the order of filling.
Sources
- What is the electron configuration for bromine? - Socratic - socratic.org
- Electronic configuration of bromine? | Socratic - socratic.org
- Electron Configuration - Chemistry LibreTexts - chem.libretexts.org
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