Chapter 4: Structure of the Atom

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Q
Structure of Atom

Question:

Which one of the following is a correct electronic configuration of sodium?

(a) 2,8

(b) 8,2,1

(c) 2,1,8

(d) 2,8,1

Answer:

The atomic number of sodium is 11. The electronic structure and configuration of sodium is shown below:

 

Hence, the correct answer is (d) 2,8,1.


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