NCERT Exercise 12.7 - Atoms

Question: The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?

Answer: **NCERT answer:** 2.12×10–10 m; 4.77 × 10–10 m

Full step-by-step NCERT solution with diagrams on Something by Zero.

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