1. What do 16 sodiums and Batman have in common?

Na na na na na na na na na na na na na na na na BATMAN!

2. I would tell you a chemistry joke, but all the good ones argon.

3. An opinion without 3.14 is an onion.

4. He He He - Laughing gas

5. Who built King Arthur's Round Table?

Sir Cumference.

6. Parallel lines have so much in common, it's a shame they'll never meet.

7. Are you cold? Come and sit in the corner, it's 90 degrees!

8. Where does bad light end up?

In prism.

9. You know what seems odd to me?

Numbers that aren't divisible by two.

10. You matter. Unless you multiply yourself by the speed of light ... then you energy.

Do you have any bad jokes? (try and keep them PG-13!)