Look up an image:
Explore by theme parure et objets personnels

neutron click to hear : neutron

Constituent particle of an atom’s nucleus whose electric charge is neutral; it is composed of one u quark and two d quarks.
neutron image
achat d'image achat d'image

See neutron in : french | spanish
d quark u quark proton

d quark click to hear : d quark

The d quark (down) is one of six types of quarks (constituent particles of protons and neutrons) having a negative electric charge.

u quark click to hear : u quark

The u quark (up) is one of six types of quarks (constituent particles of the protons and neutrons) having a positive electric charge.

proton click to hear : proton

Constituent particle of an atom’s nucleus whose electric charge is positive; it is composed of two u quarks and one d quark.