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Assign the position of the element havin...

Assign the position of the element having outer electronic configuration,
(A) `ns^(2)np^(2)` (n=6)
(B) `(n-1)d^(2)ns^(2)" "(n=4)`
(C) `(n-2)f^(7)(n-1)d^(-1)ns^(2)` (n=6)
Which of the following statement(s) is/are correct?

A

The element 'A' belong to 3rd period and 16th group.

B

The element 'B' belong to 4th period and 4th group

C

The element 'C' belong to 6th period and 3rd group and is lanthanide element.

D

All A, B , C elements are metals

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The correct Answer is:
B, C, D
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Assign the position of the element having outer electronic configuration a. ns^(2)np^(4) for n=3 b. (n-1)d^(2)ns^2 for n=4 and c. (n-2)_(f)^(7)(n-1)d^(1)ns^(2) for n=6 , in the periodic table.

Assign the position of the element having outer electronic configuration : (i) ns^(2) np ^(4) for n =3 (ii) (n-1)d ^(2) ns ^(2) for n =4 (iii) (n -2) f ^(7) (n -1) d ^(1) ns ^(2) for n =6 in the periodic table.

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