Question: a) Chromium-24 will face irregularity in its electron configuration. Draw the orbital diagram and show changes when the irregularity happens. ( 3 marks) (CLO1:PLO1:C3) b)

 a) Chromium-24 will face irregularity in its electron configuration. Draw the

a) Chromium-24 will face irregularity in its electron configuration. Draw the orbital diagram and show changes when the irregularity happens. ( 3 marks) (CLO1:PLO1:C3) b) An electron drops down from n=4 to n=1 in Lyman series. Calculate the following. i) Frequency ii) Energy emitted [RH=1.097107m1,c=3108ms1,h=6.631034Js] (CLO1:PLO6:C3) c) Write the electron configuration for the followings. i) 25Mn (in spdf) ii) 13Al3+ (in orbital diagram) d) Given 35Br, write the noble gas electron configuration. (CLO1:PLO1:C3

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