The $IUPAC$ symbol for the element with atomic number $108$ is

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 $n=6$

If the atomic number of an element is $33$,it will be placed in the periodic table in the

In what manner is the long form of periodic table better than Mendeleev's periodic table? Explain with examples.

Which of the following statements is incorrect?

Explain the Modern Periodic Law and the present form of the periodic table.