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Find the radius of a hydrogen atom in the n = 9 state according to Bohr's...

Find the radius of a hydrogen atom in the n = 9 state according to Bohr's theory.

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Answer #1

radius of nth orbitr_{n} =n^{2} {a{0}}

where a{0} bohr radius = 0.0529 nm

r9 = 9^2(0.0529*10^-9)

      = 4.285 * 10^-9 m

      = 4.285 nm

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