Q: What is the chemical formula for "banana"? A: BaNa2
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0  

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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3  

Why did the Mexican take Xanax? For hispanic attacks.
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Q: What did the scientist say when he found 2 isotopes of helium? A: HeHe
 800
0  

Helium walks into a bar. The bartender says "We don't serve noble gasses in here." Helium doesn't react.
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1