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

 1570

0  

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

 2030

1  

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

 1036

0  

Why did the Mexican take Xanax? For hispanic attacks.

 1715

0  

Q: What is the show cesium and iodine love watching together? A: CSI

 772

1