No. Helium does not burn.
No, the Hindenburg was filled with hydrogen, not helium. Hydrogen is highly flammable and was a contributing factor to the 1937 Hindenburg airship disaster.
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.
hellium
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Hellium
There is no element called "hellium". It seems like you might be referring to helium, which has an atomic number of 2.
hellium is a gas that makes light objects float e.g. balloons
Hellium
Helium has 2 protons.
It is a gas.
its hellium (He)
it is made of hellium gaz