Bohr’s radius for the H-atom (n =1) is approximately 0.530 A^o. The radius of the first excited state (n=2) orbit is : Bohr's radius for the H-atom (n =1) is approximately 0.530 A^o. The radius of the first excited state (n=2) orbit is : November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry [...]