Assertion: ion's proton | /r/HasProperty | 1 amu
Facets:
Source sentences:
text: Deuterium has 1 proton (1 amu), 1 neutron (1 amu),
text: Tritium has 1 proton (1 amu), 2 neutrons (2 amu), and 1 electron, totaling 3 amu.