Atoms And Nuclei Question 289
Question: An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is
Options:
A) 38.2
B) 49.2
C) 51.8
D) 79.0
Show Answer
Answer:
Correct Answer: D
Solution:
- For helium ion, Z=2 and for first orbit n=1
