Question

1. The bright line spectra for Lithium: 1.7 1.8 2.6 2.8 30 3.236 19 2.0 2.2 2.4 eV Lithium 400 700 600 500 nm Given that all of the transitions for the visible spectra emitted by Lithium end on the -5.4 eV line, complete an energy level diagram for Lithium. a) Calculate the energy level where the electron starts from for each emission b) Label the energy axis (ruler) and draw and label the energy levels (next to the ruler) c) Draw arrows for the transitions that produce the four lines in the spectra and label each with the transition energy 0.0 ev

Answer 1

Answes Given Diagram shoon bdow a 30 3.2 3.G 2.0 .a 2y 2.6 a.8 8 CV Lithium SOD 600 specta degrom is The The above Lothi um The trancitionyfor the Visible specta emitke Gthium End Aene, complte on the 5 4 ev fortbum /Nam -C kee aao wheres n

13.666e ν En 22 13.6060v En 3. 40lev 3S -300- -340- -uo0- Hers n 2 Lel These are orbital mi1 M=

3 Now bidal 2p These arc So NOu n 2 alio oibtal Thesc arc L 1 mi Now, obital These aTC 3S mio the transiion that produe the DYaw aanows & label Each rth in the spetta the trans ion Ene

-1.5 n 3 -3.5 The thansition Produe the uy ones in the spetta and label