Q14 of 22 Page 174

What is emission spectrum?

The spectrum of frequencies (bright bands seen) of electromagnetic radiation emitted due to atomic transition in an element from high to low energy state.



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12

Write the four quantum numbers for the differentiating electron of sodium (Na) atom

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Why there are exemptions in writing the electronic configuration of Chromium and copper?

 15

i. An electron in an atom has the following set of four quantum numbers to which orbital it belong to:


ii. Write the four quantum numbers for 1s' electron.

 16

Which electronic shell is at a higher energy level K or L?