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Which one of the following is a correct ...

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

Text Solution

Verified by Experts

The correct Answer is:
D
As its atomic number is 11. So no. of electrons will be 11 i.e., 2, 8, 1.
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MTG IIT JEE FOUNDATION-ATOMS, MOLECULES AND ATOMIC STRUCTURE-EXERCISE (Multiple Choice Questions)
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  10. Rutherfords experiments , which established the nuclear model of atom ...

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  12. Which of the following species does not have electrons equal to 18?

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