Question

The radius of shortest orbit in one electron system is 18 pm. It may be-

• A.
• B. ${ } _ { 1 } ^ { 2 } \mathrm { H }$
• C. He⁺
• D. Li⁺⁺

Answer 1

Answer: (D)

Li⁺⁺

Answer 2

r_n = ⇒ = 0.18Å ⇒ Z = 3