If A is [Rn] ,6d^2 ,7s^2 then identify block, period, group? - Vidyadip

MCQ

If $A$ is $[Rn]\,6d^2\,7s^2$ then identify block, period, group?

A
$d-$ block, $IV B, 7^{th}$
B
$d-$ block, $III$ $B, 7^{th}$
C
$f-$ block, $III$ $B, 6^{th}$
✓
$f-$ block, $III$ $B, 7^{th}$

✓

Answer

Correct option: D.

$f-$ block, $III$ $B, 7^{th}$

d
$A = {}_{86}\left[ {Rn} \right]\,6{d^2}\,7{s^2}$

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