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

 1369

0  

Two hydrogen atoms walk into a bar. One says, "I think I've lost an electron." The other says, "Are you sure?" The first says, "Yes, I'm positive..."

 847

0  

Don't trust atoms, they make up everything.

 559

0  

Q: What is the most important rule in chemistry? A: Never lick the spoon!

 1540

2  

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

 1976

5