The atomic weight of helium is 4 times that of hydrogen. Its diffusion – McqOptions

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1.	The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.
A.	1/2
B.	4
C.	<span class="root">2</span>
D.	1/4
Answer» D. 1/4

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