Thank you for the opportunity to help you with your question!
According to the Borh theory the radius of the hydrogen atom to the n state is:
Rn = (n^2)*ao ; where ao = 0.0529 x 10^-9 m
So for n = 9 then we have:
R9 = (9^2)*(0.0529 x 10^-9 m) = (81)*(0.0529 x 10^-9 m) = 4.2849 x 10^-9 m
Final answer: R9 = 4.28 x10^-9 m, so it's option A.
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?