A photon walks into a hotel. The desk clerk says, "Welcome to our hotel. Can we help you with your luggage?" The photon says, "No thanks, I'm travelling light."

I asked the guy sitting next to me if he had any Sodium Hypobromite…
He said NaBrO

A helium atom walks into a bar. The bartender shouts: "Hey! Get out, we don't serve noble gases here!". Helium doesn't react.

Спасибо большое! :)