Hexachlorophosphazene is a big, long word that talks about a special kind of molecule that is made up of six chlorine atoms and one phosphorous atom. Imagine a group of little toys that are all stuck together to make one big toy. Hexachlorophosphazene is like that, but with atoms instead of toys.
This molecule is very important because it can be used to make things like flame retardants, which help to keep things from catching on fire. It can also be used to make special kinds of plastics and other materials that are super strong and resistant to heat and chemicals.
But like with any toy, hexachlorophosphazene can be dangerous if you don't use it the right way. It's important to be careful when working with this molecule and always follow special instructions to make sure it is used safely.