**Do not repeat these experiments at home! These are performed by professionals or amateurs who did or did not exercise safety precautions.
Sodium + Water = Boom!
*My favorite part might be the end with American flag. I suppose exploding sodium is very patriotic.
Ether lit up by the reaction between potassium and water:
“Standard Disclaimer: This is a dangerous reaction that has been carried out by experienced chemists after a thorough risk assessment has been made. If you are dumb enough to mess around with hazardous chemicals and do yourself an injury it is your own stupid fault and you deserve everything you get.”
Helium (a noble gas) vs. Sodium hexafluoride (a greenhouse gas)
Gallium has a very low melting point.