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: [[Proton]]s are a type of [[nucleon]].
: [[Proton]]s have a [[Relative Atomic Charge|relative atomic charge]] of +1 and a [[Relative Atomic Mass|relative atomic mass]] of 1.
==Key Stage 5==
===Meaning===
A '''proton''' is a [[baryon]] made from 2 [[up-quark]]s and 1 [[down-quark]].
===About Protons===
: [[Proton]]s have [[Electrical Charge|charge]] of 1.60x10<sup>-19</sup> [[Coulombs]] (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]].
{| border="1" style="border-collapse:collapse"
| style="height:20px; width:120px; text-align:center;"|'''[[Subatomic Particle]]'''
| style="height:20px; width:120px; text-align:center;"|[[Electrical Charge|'''Charge''']]/[[Elementary Charge|e]]
| style="height:20px; width:120px; text-align:center;"|'''[[Strangeness]]'''
| style="height:20px; width:120px; text-align:center;"|'''[[Conservation of Baryon Number|Baryon Number]]'''
| style="height:20px; width:120px; text-align:center;"|'''[[Conservation of Lepton Number|Lepton Number]]'''
|-
| style="height:20px; width:120px; text-align:center;"|
[[Proton]]
| style="height:20px; width:120px; text-align:center;"|<math>q=+1</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>b=+1</math>
| style="height:20px; width:120px; text-align:center;"|<math>l=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Antiproton]]
| style="height:20px; width:120px; text-align:center;"|<math>q=-1</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>b=-1</math>
| style="height:20px; width:120px; text-align:center;"|<math>l=0</math>
|}