Q: Why was the mole of oxygen molecules excited when he walked out of the singles bar? A: He got Avogadro's number!

 1910

5  

A proton and a neutron are walking down the street. The proton says, "Wait, I dropped an electron help me look for it." The neutron says "Are you sure?" The proton replies "I'm positive."

 2246

3  

If the Silver Surfer and Iron Man team up, they'd be alloys.

 813

0  

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.

 804

1  

Money has recently been discovered to be a not-yet-identified super heavy element. The proposed name is: Un-obtainium.

 2376

1