if you're not part of the solution you're part of the precipitate.
Q: What do you call a joke that is based on cobalt, radon, and yttrium?
A: CoRnY.
Q: Why is potassium a racist element?
A: Because, when you put three of them together, you get KKK.
A neutron walked into a bar and asked, "How much for a drink?" The bartender replied, "For you, no charge.
Two atoms were walking across a road when one of them said, "I think I lost an electron!" "Really!" the other replied, "Are you sure?" "Yes, I 'm absolutely positive."