what is the mass no of helium.❤❤
Answers
Answered by
5
the mass number of helium is 4.
RudraniAcharya:
but how
how
the atomic number of helium is 2. helium is a diatomic molecule. so mass number is 4
oooo, thankyou for it
Answered by
4
Explanation:
4.............................. ....
Ok
thanks
your most welcome
which class do you read
8th
good
and you
11
Okay bye bye
bye
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