Assertion: baryon's number | /r/HasProperty | the same
Facets:
value: in any one element
type: OTHER
value: always
type: DEGREE
value: before
type: TEMPORAL
Source sentences:
text: In reactions involving only nucleons, this law requires that the total number of nucleons be the same before and after the reaction.
text: Most atoms have a neutral charge; because the number of protons (positive) and electrons (negative) are the same, the charges balance out to zero.
text: In any one element, the number of protons is always the same.