How to Find Valence Electrons on the Periodic Table
For transition metals, it's a bit trickier. Look at electron configurations or consult a reliable chemistry reference.
Play Games.Earn points.Get gift cards!
Playback Rewards
(13.7k)
500k players and counting...
More Answers
Count the number of columns from the left for groups 1-2 and 13-18. The group number usually equals the number of valence electrons!
Just remember: Hydrogen and Helium are special cases! Hydrogen has 1 valence electron, but Helium's got 2 despite being in Group 18.
The brands referenced on this page are not sponsors of the rewards or otherwise affiliated with this company. The logos and other identifying marks attached are trademarks of and owned by each represented company and/or its affiliates. Please visit each company's website for additional terms and conditions.
People also want to know
Add an Answer