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:*[[Strong Nuclear Interaction]] - Experienced only by [[hadron]]s and responsible for holding [[quark]]s together and holding [[proton]]s and [[neutron]]s together in the [[Atomic Nucleus|atomic nucleus]].
:*[[Weak Nuclear Interaction]] - Experienced by [[hadron]]s and [[lepton]]s and responsible for [[Radioactive Decay|decay]] of [[Subatomic Particle|subatomic particles]].
:*[[Electromagnetic Interaction]] - Experienced by [[particle]]s with [[Electrical Charge|charge]] . This '''interaction''' is referred to as 'long range' as extends far beyond the range of [[Atomic Nucleus|atomic nuclei]] and is observed on macroscopic scales, but can be shielded by [[Dielectric|dielectric materials]].:*[[Gravitational Interaction]] - Experienced by all [[particle]]s with [[mass]]. This '''interaction''' is extremely weak on the scale of [[Relative Atomic Mass|atomic masses]] but is 'long range' and cannot be shielded, so accumulates with large numbers of [[atom]]s to be observable at macroscopic scales.