what is helium. good evening guys.dont see the question
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what is helium. good evening guys.dont see the question
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Answer:
a very colour less that does not burn often used to fill a object that float in air balloon
Explanation:
hii mate here is your answer
Helium : the chemical element of atomic number 2, an inert gas which is the lightest member of the noble gas series.
Extra information :
Symbol : He
Atomic mass : 4.002602 u
Atomic number : 2
Electron configuration : 1s2
Boiling point : -268.9 °C
Discoverers : Pierre Janssen, Per Teodor Cleve, Norman Lockyer.
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