sentence: Fermions have properties, such as charge and mass, which can be seen in everyday life.
sentences_before: Examples of groups of fermions are the proton and the neutron.
sentences_after: They also have other properties, such as spin, weak charge, hypercharge, and colour charge, whose effects do not usually appear in everyday life. These properties are given numbers called quantum numbers.
concept_name: fermion
headings: Standard Model Fermions
categories: Basic physics ideas Relativity Matter Nuclear physics