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Q.

Few statements regarding the distribution of electrons in the energy shells are given. Which of the following statements is not correct?

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a

When N is the outermost shell of an atom, it can accomodate a maximum of 8 electrons only.

b

5th shell can accommodate 60 electrons according to 2n2  rule.

c

For 4th  energy shell (N), the maximum number of electrons is 32 according to  2n2  rule.

d

The filling of the 4th  shell begins even before the 3rd  shell is completely filled.

answer is D.

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Detailed Solution

5th shell can accommodate 60 electrons according to 2n2  rule.

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