Assertion: deuterium | /r/MadeOf | one proton
Facets:
Source sentences:
text: Deuterium contains one proton, one electron, and a neutron, effectively doubling the mass of the deuterium isotope without changing its properties significantly.
text: Protons and neutrons often collided, and some formed larger nuclei, such as that of deuterium (containing a proton and a neutron), as well as helium nuclei with two protons and two neutrons.
text: Deuterium, which contains one proton and one neutron, was created a few minutes after the Big Bang.
text: Deuterium is an isotope of hydrogen containing one proton and one neutron, and has a mass of 2.
text: Deuterium is an isotope of hydrogen that contains a proton and a neutron in the nucleus of the atom.