Nitrogen: used in the production of electronic parts- Cameron's chip

-o0o-

Sarah's expression is impossible to read, grim and foreboding as she looks into her son's pleading eyes. "Now John."

He looks at her with a pained expression, one hand clenched around a stick of thermite, the other around Cameron's chip. It has to be done, they all know it, but Sarah is determined that John be the one to do it. "Destroy it."

John Connor glances down again, eyes traveling between Cameron's discarded body and her computer chip, a thousand emotions playing across his face. Sarah's eyes don't leave her son as she watches him, waiting for him to destroy the machine.

But in the blink of an eye, John uses his tuned reflexes to run to Cameron's body and return her chip to its home. Sarah hears the word No! escape her lips as the terminator's eyes glow blue, her system rebooting as her body once again starts up.

Her hand twitches to life, the gun in her hand cocked as she aims it at John. Sarah feels her heart pounding out of her chest as she runs, determined to place herself between her son and the bullet. She makes it within an inch before something in Cameron's eyes changes and the gun is lowered to her side. Slowly, ever so slowly, she reaches it back out, presenting it to John like some demented peace offer.

Derek, John, and Sarah freeze at the action, wary and alert at the machine's actions, praying that John hasn't damned them all. Cameron's head cocks to the side and she glances at them all, curious at their actions. And a single sentence leaves her lips, one that cements Sarah's distrust in the machines. "What's wrong?"