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What is the ratio between the total acceleration of the electron in singly ionized helium atom and a hydrogen atom, when both are in ground state?

Correct answer

8

Step-by-step solution

a = V 2 r ∵ V ∝ Z , ∵ r ∝ 1 Z ⇒ a ∝ Z 2 1 / Z ⇒ a ∝ Z 3 a He + a H = Z He + Z H 3 = 2 3 = 8

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