What is the orbital radius of the n = 3 excited state in the Bohr model of the hydrogen atom? The ground-state radius of the hydrogen atom is 0.529 × 10^-10 m. A) 0.476 nm B) 0.159 nm C) 0.381 nm D) 0.548 nm

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The orbital radius of the n = 3 excited state in the Bohr model of the hydrogen atom is given by:$$r_n = n^2 * a_0$$where n is the principal quantum number and a0 is the Bohr radius.For n = 3, we have:$$r_3 = 3^2 * a_0 = 9 * 0.529 × 10^{−10} m = 4.76 × 10^{−10} m = 0.476 nm$$

What Is the Orbital Radius of the N = 3