The number of elements in the $5^{th}$ period of the periodic table are

What will be the position in the periodic table for an element with the electronic configuration $ns^2 np^4$ where $n = 3$?

What is the position of copper in the long form of the periodic table?

What is the position of transition elements from $Sc$ to $Zn$ in the long form of the periodic table?

Which of the following elements belongs to the $1^{st}$ group and $5^{th}$ period of the periodic table?

Assign the position of the element having outer electronic configuration in the periodic table:
$(i)$ $ns^{2} np^{4}$ 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 $n=6$