An electron in the Bohr model is in an $n = 2$ state. The radius of the electron is
A) $a _ { 0 }$
B) $2 a _ { 0 }$
C) $3 a _ { 0 }$
D) $4 a _ { 0 }$

Name: An electron in the Bohr model is in an $n = 2$ state. The radius of the electron is A) $a _ { 0 }$ B) $2 a _ { 0 }$ C) $3 a _ { 0 }$ D) $4 a _ { 0 }$
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Question

Quizplus · Accepted Answer

In the Bohr model, the radius of an electron in the $n$th orbit is given by $r_n = n^2 a_0$. For $n = 2$, the radius is $r_2 = 2^2 a_0 = 4a_0$.

An Electron in the Bohr Model Is in An n=2n = 2n=2

An Electron in the Bohr Model Is in An $n = 2$