Assertion: atom's charge | /r/HasProperty | overall
Facets:
Source sentences:
text: Since an atom contains equal number of protons and electrons, it has no overall charge: the positive charges on all the protons are exactly balanced by the negative charges on all the electrons.
text: but he knew that atoms themselves had no overall charge.
text: Neutral atoms have the same number of electrons as they have protons, so their overall charge is zero.