Assertion: atom's proton | /r/AtLocation | the nucleus
Facets:
value: so close
type: OTHER
value: together
type: MANNER
Source sentences:
text: These two particles, together with neutrons, form atoms, with the protons and neutrons residing in the nucleus, and the electrons in surrounding orbitals, held in place by the electromagnetic force.
text: Inquisitive students might ask how the positively charged protons are able to stay so close together in the nucleus: Why don’t they repel each other?
text: Both the protons and neutrons reside in the nucleus.