Question

Spectrum of $Li^{2+}$ is similar to that of

• A. H
• B. Be
• C. He
• D. Ne

Answer 1

Answer: (A)

H

Answer 2

Number of electrons in $Li ^{2+}$ is one similar to the hydrogen atom. One electron system shows similar kind of spectra. Many electron system spectra is complex due to inter-electronic repulsions.