19,879
edits
Changes
no edit summary
==Key Stage 5==
===Meaning===
A '''proton''' ('''p''') is a [[baryon]] made from 2 [[up-quark]]s and 1 [[down-quark]].
===About Protons===
: A [[proton]] is one of two [[baryon]]s found in the [[Atomic Nucleus|atomic nucleus]].
: [[Proton]]s have a [[Electrical Charge|charge]] of 1.60x10<sup>-19</sup> [[Coulomb]]s (the [[Elementary Charge|elementary charge]]) and a [[mass]] of 1.67x10<sup>-27</sup>kg.
: A [[proton]] is the most stable [[hadron]] with a [[Half Life|half life]] longer than the age of the [[Universe]].