Problem: How many valence electrons are in an atom of chlorine?

FREE Expert Solution

Chlorine → atomic number = 17

neutral atom: atomic number = # of protons = # of electrons

# of electrons = 17

Electron configuration: 1s22s22p63s23p5

Valence electrons

View Complete Written Solution
Problem Details

How many valence electrons are in an atom of chlorine?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Electron Configuration concept. You can view video lessons to learn Electron Configuration. Or if you need more Electron Configuration practice, you can also practice Electron Configuration practice problems.