ELECTRIC FIELDS IN MATTER: Polarization Griffiths Problem 4.2

ELECTROMAGNETIC THEORY 1
David Griffiths
Introduction to Electrodynamics
4th Edition
Chapter 4 Electric Fields in Matter
Polarization
Problem 4.2

[@seongminpark7513]

When we are applying Gauß law in the beginning, why are we neglecting the positive charge that the nucleus has? why are we only integrating over the volume charge density of the electron cloud?

[@MDWannaBe]

Thank you. I learned a lot!

[@sahintaufika2714]

Thank you sir

[@macalalade]

So nice of you