The easiest way to remember which quarks make up a neutron is
A) A neutron is an inside-out proton: uud.
B) Neutrons are all about u-three up quarks: uuu.
C) The neutron is a real "dud"-a down quark, an up quark, and another down quark: dud.
D) Roses are red, violets are blue, neutrons are nosy but do not have u: ddd.

Question

Quizplus · Accepted Answer

The mnemonic device "dud" (down-up-down) is a commonly used and easy-to-remember way to recall the quark composition of a neutron.

The Easiest Way to Remember Which Quarks Make Up a Neutron