Assertion: hydrogen atom's nucleus | /r/MadeOf | all of its positive charge
Facets:
Source sentences:
text: In 1911 Ernest Rutherford proposed that each atom has a massive nucleus containing all of its positive charge, and that the much lighter electrons are outside this nucleus.
text: In 1911 Ernest Rutherford proposed that each atom has a massive nucleus containing all of its positive charge, and that the much lighter electrons are outside this nucleus.