What is the ground state electron configuration of arsenic?
Understand the Problem
The question is asking for the ground state electron configuration of the element arsenic (As). This involves identifying how the electrons are distributed in the atomic orbitals for arsenic, which has an atomic number of 33.
Answer
[Ar] 3d10 4s2 4p3
The final answer is [Ar] 3d10 4s2 4p3.
Answer for screen readers
The final answer is [Ar] 3d10 4s2 4p3.
More Information
Arsenic (As) has an atomic number of 33, indicating it has 33 electrons in a neutral state. Its electron configuration follows the Aufbau principle.
Tips
Common mistakes include misplacing the 3d10 and 4s2 orbitals or omitting the 4p3 orbitals. Reviewing the order of orbital filling helps prevent errors.
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