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Electronic Configuration

A neutral ato...

Question

A neutral atom has $2 K$ electrons, $8 L$ electrons and $6 M$ electrons. Predict its atomic number

A

10

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B

12

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C

14

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D

16

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Solution

The correct option is D 16
Total number of electrons $= (2 + 8 + 6) = 16$
So, Atomic number $= 16$
Electronic configuration $= 1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{4}$

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Electronic Configuration

Standard XII Chemistry

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