Assertion: atom's number | /r/CapableOf | cancel one another
Facets:
value: exactly
type: DEGREE
value: in a neutral atom
type: LOCATION
Source sentences:
text: The same number of protons and electrons exactly cancel one another in a neutral atom.
text: The number of electrons and protons is the same, thus canceling out one another; on the other hand, if an atom loses or gainselectrons, it becomes an ion.