Chapter 2 2019/2020

i. Name the series of the line spectrum.

[1 Mark] 

ii. Sketch an energy level diagram of a hydrogen atom for the formation of line X. Explain how line X is formed. 

[5 Marks] 

iii. Calculate the wavelength corresponding to line X  

[2 Marks] 

iv. Determine the energy involved in (a) (iii).  

[2 Marks] 

b) Describe the anomalous electronic configuration of chromium atom.   

[3 Marks]