noble gaschemical elementrnperiodic tableisotoperadiumcondensationcombustionchlorinefluoridelung cancermonoxideuraniumleadozone

What do you call a joke that is based on cobalt, radon, and yttrium?


Why is Radon the designated driver?

Because Hydrogen and Helium are always too high

Why did the chemist got fired?

He was caught at his workplace looking at polonium radon

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