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== Explanation ==
An elementary particles in [[Quantum Physics|Quantum Physics]], are the smallest particles which make up everything else. They are the 'fundamental particles'. The particles that make up matter, are called [[Fermion|Fermions]]. These are divided into two categories, [[Quark|Quarks]] and [[Lepton|Leptons]].

== Frequently Asked Questions ==
=== Aren't atoms the smallest? ===
'''No'''. Before [[Quantum Physics|Quantum Physics]], we thought that [[Atom|Atoms]] were the smallest 'indivisible' particles. But this is wrong, atoms are made of subatomic particles. The [[Electron|electron]], is already a fundamental particle, a [[Lepton|Lepton]]. The [[Proton|Protons]] and [[Neutron|Neutrons]] are made up of combinations of [[Quark|Quarks]].