Reason: Radius of each circular orbit (rn) – 0.529 Å (n2/Z), where n = 1,2, 3 and Z = atomic number.
A. Both A and R are correct and R is the correct explanation of A.
B. Both A and R are correct but R is not the correct explanation of A.
C. A is true but R is false.
D. Both A and R are false.
Answer:A
Reason: Radius of each circular orbit (rn) – 0.529 Å (n2/Z), where n = 1,2, 3 and Z = atomic number.
A. Both A and R are correct and R is the correct explanation of A. B. Both A and R are correct but R is not the correct explanation of A. C. A is true but R is false. D. Both A and R are false.