P. Bahadur Solutions for Chapter: Periodic Classification of Elements, Exercise 4: Exercise 8

$3\mathrm{d}$ transition series consists of _____ elements. $\left(9 /10 /11\right)$

The group all members of which are in gaseous state under ordinary conditions is group _____. $\left(2/18/1\right)$

The configuration ${\mathrm{ns}}^2{\mathrm{np}}^5$ exist in _____.

$6^{\mathrm{th}}$ period of periodic table consists of _____ elements. (Write answer in number(s))

Elements having three incomplete outermost subshells are called _____ elements. ( Answer the block,i.e x-block)

According to modern periodic law, the properties of the elements are in periodic function of their _____. (Atomic number/ Atomic mass)

The number of transition series in the periodic table is _____.($4/6$)

Maximum contribution for the man-made atom goes to _____.