Question

The element having electronic configuration [Kr]$4d^{10}4f^{14}5s^{2}5p^{6}5d^{2}6s^2$ belongs to:

• A. $s$ - block
• B. $p$ - block
• C. $d$ - block
• D. $f$ - block

Answer 1

The correct option is C $d$ - block

In the electronic configuration the differentiating electron enters into the $5d$ orbital hence, the element belongs $d$-block.