Chemical Formula jokes

What is the chemical formula for a banana? BaNa2

One day, a chemistry teacher asked his student, whose name is Raj, "What is the chemical formula of water?"

The Raj replied, "HIJKLMNO."

The teacher asked, "What is this rubbish?"

The Raj replied, "Yesterday, you taught the chemical formula of water is H2O."

If the formula of water is H2O, then what is the formula of ice?

H2O cubed.

I’d tell a sodium and hydrogen pun, but NaH.

Why did the noble gas cry?

Because all his friends Argon.

An atom loses an electron... It says, "Man, I really gotta keep an ion them."