at what minimum Atomic Number would a transition from n=2 to n=1 energ

1.	at what minimum Atomic Number would a transition from n=2 to n=1 energy level result in the emission of x-rays with λ=3×10-8
Answer» ANSWER: 3×10-8=30-8=22 answer

at what minimum Atomic Number would a transition from n=2 to n=1 energy level result in the emission of x-rays with λ=3×10-8

Answer»

3×10-8=30-8=22 answer