what is helium how is it work
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Hey Ⓜate...!!!
Helium is a chemical element with the symbol He and atomic number 2.
Helium balloons work by the same law of buoyancy. ... The helium balloon displaces an amount of air (just like the empty bottle displaces an amount of water). As long as the helium plus the balloon is lighter than the air it displaces, the balloon will float in the air. It turns out that helium is a lot lighter than air.
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Answer:
helium is a noble gas
Explanation:
belongs to group 8A of periodic table
it is non reactive because of Already completed duplet do it doesn't need further reaction to make it stable
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