Question

An element with atomic number $29$ belongs to:

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

Answer 1

Answer: (B)

$d$ - block

Atomic number 29 has the electronic configuration - $\left[Ar\right]4s^{1}3d^{10}$ . Since the last electrons enter the d orbital, it is a d- block element.