Question

The ratio of the total energy of the (2^{nd}) orbit electron for the hydrogen atom ((^{1}H)) to that of a helium ion ((He^{+})) is :

• A. (4)
• B. (2)
• C. (\frac{1}{2})
• D. [suspicious link removed]

Hint:

Energy becomes more negative (lower) as the atomic number $Z$ increases.

Answer 1

The Correct Option is D