In Bohr’s model, the atomic radius of the first orbit is r0. Then, the radius of the third orbit is
A. r0/9
B. r0
C. 9r0
D. 3r0
Answer:C
In Bohr’s model, the atomic radius of the first orbit is r0. Then, the radius of the third orbit is
A. r0/9 B. r0 C. 9r0 D. 3r0