Page 265 - Instant notes
P. 265

Chemical and structural effects of quantization     251


        from  the  lowest  level  of  the  P  series  to the lowest level of the S series for the alkali
        metals gives emission in the visible region of the spectrum. This light is responsible for
        the characteristic colored flame test for these atoms.





































                              Fig. 4. Energy level diagram for
                              lithium showing some allowed
                              electronic transitions.
   260   261   262   263   264   265   266   267   268   269   270