Assertion: ion's number | /r/HasProperty | unequal
Facets:
value: to its total number of protons
type: OTHER
Source sentences:
text: Since the charge of the electron (considered negative by convention) is equal and opposite to that of the proton (considered positive by convention), the net charge of an ion is non-zero due to its total number of electrons being unequal to its total number of protons.