Question : When hydrogen atom is in its first excited level, it’s radius is
A. four times, it ground state radius
B. twice times, it ground state radius
C. same times, it ground state radius
D. half times, it ground state radius
Answer:A
Question : When hydrogen atom is in its first excited level, it’s radius is
A. four times, it ground state radius B. twice times, it ground state radius C. same times, it ground state radius D. half times, it ground state radius