Assertion: hydrogen's nucleus | /r/MadeOf | proton
Facets:
Source sentences:
text: The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus.
text: The nucleus consists of a proton and four neutrons.
text: The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is associated with this nucleus.
text: The nucleus consists of a proton and four neutrons.