How many valence electrons are in O2?
Understand the Problem
The question is asking for the number of valence electrons present in a molecule of O2 (oxygen gas). To determine this, we need to know the number of valence electrons for each oxygen atom and then sum them up for the two atoms in the molecule.
Answer
12 valence electrons
The final answer is 12 valence electrons
Answer for screen readers
The final answer is 12 valence electrons
More Information
Each oxygen atom has 6 valence electrons, and since O2 is composed of two oxygen atoms, the total number of valence electrons is 12.
Tips
A common mistake is to only account for the valence electrons of a single oxygen atom instead of the entire O2 molecule.
Sources
- How many valence electrons does O2 have? How is this number determined - Quora - quora.com
- Lewis Structure for O2 (Dioxygen or Oxygen Gas) - TerpConnect - terpconnect.umd.edu
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