Pyridine — Pyridine … Wikipedia
Food and Drug Administration — FDA redirects here. For other uses, see FDA (disambiguation). Food and Drug Administration Agency overview Formed 1906 … Wikipedia
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
Alabama — This article is about the U.S. state of Alabama. For the river, see Alabama River. For other uses, see Alabama (disambiguation). State of Alabama … Wikipedia
Acetylene — HCCH redirects here. For other uses, see HCCH (disambiguation). Acetylene … Wikipedia
Amphetamine — For other uses, see Amphetamine (disambiguation). Amphetamine Systematic (IUPAC) name … Wikipedia
Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh … Wikipedia
Cyanide — This article is about the class of chemical compounds. For other uses, see Cyanide (disambiguation). The cyanide ion, CN−. From the top: 1. Valence bond structure 2. Space filling model 3. Electrostatic potential surface 4. Carbon lone pair… … Wikipedia
Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur … Wikipedia
Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo … Wikipedia