Q: Why was the mole of oxygen molecules excited when he walked out of the singles bar? A: He got Avogadro's number!
 2040
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."
 2361
3  

A biologist, a chemist and a statistician are out hunting. The biologist shoots at a deer and misses 5th to the left. The chemist takes a shot and misses 5th to the right. The statistician yells "We got 'em!"
 1365
0  

Q: Did you hear oxygen went on a date with potassium? A: It went OK.
 1437
0  

Money has recently been discovered to be a not-yet-identified super heavy element. The proposed name is: Un-obtainium.
 2524
1