If you didn't get the joke, you probably didn't understand the science behind it. If this is the case, it's a chance for you to learn a little chemistry.
Two atoms are walking down the street
Says one atom to the other, "Hey! I think I lost an electron!"
The other says, "Are you sure??"
"Yes, I'm positive!
A neutron walks into a restaurant and orders a couple of cokes. As she is about to leave, she asks the waiter how much she owes. The waiter replies, "For you, No Charge!!!"
Why do chemistry professors like to teach about ammonia? Because it's basic material.
Why did Carbon marry Hydrogen? They bonded well from the minute they met.
If H20 is water what is H204? Drinking, bathing, washing, swimming. . .
One day on the Tonight Show, Jay Leno showed a classified add that read: "Do you have mole problems? If so, call Avogadro at 602-1023."
Q: If H-two-O is the formula for water, what is the formula for ice?
A: H-two-O-CUBED
Q: What is the name of the molecule CH2O?
A: Seawater
Q: What did the scientist say when he found 2 isotopes of helium?
A: HeHe