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Tardigrade
Question
Chemistry
The lightest as is:
Q. The lightest as is:
1728
221
Rajasthan PMT
Rajasthan PMT 2005
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A
N
2
B
A
r
C
R
n
D
He
Solution:
The lightest gas is hydrogen (H). Its atomic weight is
1.008
. But among the mentioned gases lightest one is helium (He). Its atomic weight is
4.003
.