Q: What did the scientist say when he found 2 isotopes of helium?
A: HeHe
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A proton and a neutron are walking down the street.
The proton says, "Wait, I dropped an electron help me look for it."
The neutron says "Are you sure?"
The proton replies "I'm positive."
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A biologist, a chemist and a statistician are out hunting.
The biologist shoots at a deer and misses 5th to the left.
The chemist takes a shot and misses 5th to the right.
The statistician yells "We got 'em!"
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Q: Did you hear oxygen went on a date with potassium?
A: It went OK.
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Q: Why do chemists like nitrates so much?
A: They're cheaper than day rates.