Chemical
From Tardis Wiki, the free Doctor Who reference
A chemical was a type of substance that could do several things. Chemicals could be represented by chemical formulas, such as NH4NO3. (TV: The Keys of Marinus)
Life was a chemical process. (TV: The Mutants)
The 456 found that human children produced chemicals which felt "good". (TV: Children of Earth: Day Five)
Mia Bennett proved that Earth plant life could grow on Martian soil with the help of chemicals. (TV: The Waters of Mars)
Dangers posed by chemicals
Chemicals could be dangerous to health or to the environment.
By 2007, a sign in a Deffry Vale High School classroom warned of "dangerous chemicals" within a cupboard. (TV: School Reunion)
Specific chemicals
Some types of chemicals included:
- Water (TV: The Power of the Daleks)
- Parrinium (TV: Death to the Daleks)
- Pentocyleinicmethyldrane (TV: The Sun Makers)
- Hexachromite (TV: Warriors of the Deep)
- Halides (TV: Frontios)
- Silica (TV: Frontios)
- Mustakozene-80 (TV: Timelash)
- Adrenaline (TV: The Runaway Bride)
- Acetylcholine (TV: The Runaway Bride)
- Endorphins (TV: The Runaway Bride)
- Mood drugs (TV: Gridlock)
- Ammonium nitrate (TV: Nikola Tesla's Night of Terror)
- Zinc (TV: Nikola Tesla's Night of Terror)
