Time for physics jokes!!
Two atoms were walking on the sidewalk toward each other and not paying attention until they ran into each other.
Atom 1: Oh my, I think I lost an electron!
Atom 2: Are you sure?
Atom 1: I’m positive!
A neutron walks into a bar; he asks the bartender, ‘How much for a beer?’ The bartender looks at him, and says ‘For you, no charge.’