Question

Element having atomic number $33$ belongs to period:

• A. $III$
• B. $IV$
• C. $V$
• D. $VI$

Answer 1

Answer: (B)

$IV$

Element with atomic number $33$ has electronic configuration$\left[Ar\right]3d^{10}4s^{2}4p^3$.

So, the outer electron shows the element belonging to the period $IV$.

Hence, option B is correct.