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Helium
Helium is totally unreactive.
An interesting fact about noble gases is that they do not have any reactivity. Some of the noble gases include helium, argon and neon among others.
The noble gases: Helium, neon, etc.
It is a mixture of helium and neon gases.
They're nobile gases, meaning they have their outer valence electron shells filled and so practically no reactivity with other atoms. Helium has 2 electrons filling its valence shell whereas neon and argon have 8.
helium is used for excitation of neon atoms in helium neon laser..
Helium is totally unreactive.
Helium
An interesting fact about noble gases is that they do not have any reactivity. Some of the noble gases include helium, argon and neon among others.
Helium doesn't react with anything.
The noble gases: Helium, neon, etc.
It is a mixture of helium and neon gases.
noble gases
The above statement is correct.
Based on the other elements in the same group, like helium and neon, you can predict that it is a gas under normal conditions, and it is not chemically reactive.
because the size of helium is smaller than that of neon.