91影视

We are given $FIGUREP41.41$shows the first few energy levels of the lithium atom .

We need to Make a table showing all the allowed transitions in the emission spectrum indicating wavelength, whether the transition is in the infrared, the visible, or the ultraviolet spectral region, whether or not the transition would be observed in the lithium absorption spectrum .

Formula used will be , $E=\frac{hc}{位}=\frac{1240eVnm}{位}$

Transition a) Wavelength(nm) localid="1650734260872" $$\begin{gathered} 2p鈫�2s670nm \\ 3s鈫�2p816nm \\ 3p鈫�2s324nm \\ 3p鈫�3s2696nm \\ 3d鈫�2p611nm \\ 3d鈫�3p24.800nm \\ 4s鈫�2p498nm \\ 4s鈫�3p2430nm \end{gathered}$$

We are given that $FIGUREP41.41$shows the first few energy levels of the lithium atom .

We need to Make a table showing all the allowed transitions in the emission spectrum indicating wavelength, whether the transition is in the infrared, the visible, or the ultraviolet spectral region, whether or not the transition would be observed in the lithium absorption spectrum .

We will use relation between energy and wavelength, $E=\frac{hc}{位}=\frac{1240eVnm}{位}$

Transition b)Type ( $位$)

localid="1650734358113" $$\begin{gathered} 2p鈫�2sVIS \\ 3s鈫�2pIR \\ 3p鈫�2sUV \\ 3p鈫�3sIR \\ 3d鈫�2pVIS \\ 3d鈫�3pIR \\ 4s鈫�2pVIS \\ 4s鈫�3pIR \end{gathered}$$

We are given that $FIGUREP41.41$shows the first few energy levels of the lithium atom .

We need to Make a table showing all the allowed transitions in the emission spectrum indicating wavelength, whether the transition is in the infrared, the visible, or the ultraviolet spectral region, whether or not the transition would be observed in the lithium absorption spectrum .

We will use relation between energy and wavelength, $E=\frac{hc}{位}=\frac{1240eVnm}{位}$

Transition c)Absorption

$$\begin{gathered} 2p鈫�2sYes \\ 3s鈫�2pNo \\ 3p鈫�2sYes \\ 3p鈫�3sNo \\ 3d鈫�2pNo \\ 3d鈫�3pNo \\ 4s鈫�2pNo \\ 4s鈫�3pNo \end{gathered}$$