The dielectric constant of helium is 1.000684. If N is 2.7 X 1025 ato – McqOptions

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1.	The dielectric constant of helium is 1.000684. If N is 2.7 X 1025 atoms/m3, what is the radius of the electronic cloud?
A.	3.78 X 10-11 m
B.	4.65 X 10-11 m
C.	5.87 X 10-11 m
D.	6.12 X 10-11 m
Answer» D. 6.12 X 10-11 m

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