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

 1480

0  

As an ion chromatography chemist I made this one up: Anions aren't negative, they're just misunderstood.

 1980

1  

Q: What is the chemical formula for "banana"? A: BaNa2

 957

0  

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

 2072

5  

Chuck Norris destroyed the periodic table, because Chuck Norris only recognizes the element of surprise.

 857

0