to make your voice squeak and blow up balloons
hellium
a particle of hellium is small enough to fit in between the molecules of latex (or whatever the balloon is made of) and eventually leaks out due to diffusion. If the environment the balloon is in has the same amount of hellium in it as the balloon, it won't deflate.
4
No. Helium does not burn.
Hellium
There is no element called "hellium". It seems like you might be referring to helium, which has an atomic number of 2.
Helium is a gas and cannot be used as a glue. Gluing a balloon is typically done using an adhesive like rubber cement or glue specifically made for balloons. Hellium is commonly used to fill balloons to make them float.
hellium is a gas that makes light objects float e.g. balloons
Hellium
its hellium (He)
It is a gas.
it is made of hellium gaz