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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

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The correct Answer is:
A

Atomic number of sodium (Na) = 11 Its electronic configuration = 2, 8, 1.
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  6. Explain with examples Isobars Give any two uses of isotopes.

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