Assertion: magnesium sulfate's magnesium | /r/HasAspect | three stable isotopes
Facets:
Source sentences:
text: Magnesium has three stable isotopes: 24
text: Magnesium not only has stable isotopes, but also has radioactive isotopes, which are isotopes that have an unstable nuclei.
text: Magnesium has 3 stable isotopes: Mg-24, Mg-25 and Mg-26.
text: Magnesium has three stable isotopes: 24