Assertion: atom | /r/Synonym | quark
Facets:
Source sentences:
text: Neutrons and protons were found to be hadrons, or composites of smaller particles called quarks.
text: It appears that the 1+ charge of a proton and the 0 charge of a neutron are the products of electric charges on the part of even smaller particles called quarks.
text: Using particle accelerators they discovered that protons and neutrons were actually made of other particles, called quarks.
text: Thus, protons and neutrons are no more indivisible than atoms are; indeed, they contain still smaller particles, which are called quarks.
text: Protons and neutrons are both composed of other particles called quarks and gluons.
text: Each proton and neutron consist of even smaller particles called quarks.