Hydron
Hydron is the cationic form of hydrogen, often referred to simply as a proton.

During the Crisis Point: The Rise of Vindicta holo-movie, there was a scene in which a phaser fight was occurring in main engineering, due to an attack from Vindicta's cyborg henchman named Bionic 5. During the shootout, one of the hydron lines was ruptured, forcing the engineering crew to evacuate.

Lieutenant commander  and Bionic 5 were both trapped in the engine room, and Bionic 5 decided to help Billups with containment. This uncharacteristic action was due to the fact that the character of Bionic 5 was actually played by Samanthan Rutherford. ()

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Chemistry
Particles