Which of the following correctly represent the electronic distribution in the Mg atom a 3 8 1 b 2 8 ...

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Uploaded: 2022-01-05T06:16:12+00:00
Description: Science Exemplar Problems - class 9 Structure of the Atom Structure of the Atom - Exercise solutions written by Lido's expert teachers

Question

Which of the following correctly represent the electronic distribution in the Mg atom a 3 8 1 b 2 8 2 c 1 8 3 d 8 2 2

Accepted Answer

The answer is 2 8 2 Explanation The atomic number of Mg is 12 hence electronic distribution will be 1s22s22p63s2

NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom