The chemical formula for the highly toxic cyanide ion is CN-.
These are also Chuck Norris' initials.
This is not a coincidence.
Vote:
A scientist tells a pharmacist, "Give me some prepared tablets of acetylsalicylic acid."
"Do you mean aspirin?" asks the pharmacist.
The scientist slaps his forehead. "That's it!" he says. "I can never remember the name."
Q: What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
A: A ferrous wheel.
Q: What happened to the man who was stopped for having sodium chloride and a nine-volt in his car?
A: He was booked for a salt and battery.
An instructor in chemical warfare asked soldiers in his class: "Anyone knows the formula for water?"
"Sure. That's easy," said one man.
"What is it?"
"H, I, J, K, L, M, N, O."
"What, what?" reasked the instructor.
"H to O," explained the chemistry expert.
Q: Did you hear oxygen went on a date with potassium?
A: It went OK.
Q: What is the show cesium and iodine love watching together?
A: CSI
Why did the Mexican take Xanax?
For hispanic attacks.
Q: Why was the mole of oxygen molecules excited when he walked out of the singles bar?
A: He got Avogadro's number!