Keyword Analysis & Research: symbol for helium

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What is helium commonly used for?

Because it is very unreactive, helium is used to provide an inert protective atmosphere for making fibre optics and semiconductors, and for arc welding. Helium is also used to detect leaks, such as in car air-conditioning systems, and because it diffuses quickly it is used to inflate car airbags after impact.

What is the sign for helium?

Helium (atomic number 2, symbol He) is a non-toxic, tasteless, odorless, and colorless gas. Heading the noble group, it is an inert monoatomic gas, and its melting and boiling points are some of the lowest compared with other elements.

What are 3 uses for helium?

Helium-3 (He3) is gas that has the potential to be used as a fuel in future nuclear fusion power plants. There is very little helium-3 available on the Earth. However, there are thought to be significant supplies on the Moon.

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