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*Combine with other [[antiquark]]s to form [[antibaryon]]s or with [[quark]]s to form [[meson]]s.
*[[Quark]]s and [[antiquark]]s are fundamental constituents of [[matter]].
{| border="1" style="border-collapse:collapse"
|+Properties of the [[antiquark]]s
| style="height:20px; width:120px; text-align:center;"|'''[[Antiquark]]'''
| 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;"|
[[Antiup-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=-\frac{2}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Antidown-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=+\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Antistrange-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=+\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=+1</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Antitop-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=-\frac{2}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Antibottom-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=+\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|-
| style="height:20px; width:120px; text-align:center;"|
[[Anticharm-quark]]
| style="height:20px; width:120px; text-align:center;"|<math>Q=-\frac{2}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>S=0</math>
| style="height:20px; width:120px; text-align:center;"|<math>B=-\frac{1}{3}</math>
| style="height:20px; width:120px; text-align:center;"|<math>L=0</math>
|}
===Examples===
*The [[antiproton]] is made up of [[antiquark]]s.
*[[Antiquark]]s are produced in high-energy [[particle]] collisions.