Answer
8 valence electrons
Work Step by Step
The number of valence electrons that an atom has is determined by its group number. Argon is located in Group 8A. Therefore, it has eight valence electrons.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.