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Which of the following statement is not ...

Which of the following statement is not correct

A

Noble gases have a different number of outermost electrons than their group number

B

In the sixth period the orbitals being filled are 6s, 4f, 5d, 6p

C

Zn, Cd, Hg are non transition elements

D

`O^(-2)` has the same no. of `e^(-)s` in its outermost as well as penultimate shell.

Text Solution

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The correct Answer is:
D
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