Embibe Experts Solutions for Chapter: Classification of Elements and Periodicity in Properties, Exercise 1: Exercise 1

Among the elements $\mathrm{Li}, \mathrm{N}, \mathrm{C}$ and $\mathrm{Be}$, one with the largest atomic radius is:

The first ionisation energy of $\mathrm{Na}, \mathrm{B}, \mathrm{N}$ and $\mathrm{O}$ atoms follows the order:

The metal ion with total number of electrons same as ${\mathrm{S}}^{2-}$ is:

The atomic radii of $\mathrm{Li}, \mathrm{F}, \mathrm{Na}$ and $\mathrm{Si}$ follow the order:

The atomic radii of $\mathrm{Li}, \mathrm{F}, \mathrm{Na}$ and $\mathrm{Si}$ follow the order:

The ionic radii of ${\mathrm{Na}}^{+}, {\mathrm{F}}^{-}, {\mathrm{O}}^{2-}, {\mathrm{N}}^{3-}$ follow the order:

The order of electronegativity of carbon in $\mathrm{sp}, {\mathrm{sp}}^2$ and ${\mathrm{sp}}^3$ hybridised states, follows:

Among ${\mathrm{P}}_2{\mathrm{O}}_5, {\mathrm{As}}_2{\mathrm{O}}_3, {\mathrm{Sb}}_2{\mathrm{O}}_3$ and ${\mathrm{Bi}}_2{\mathrm{O}}_3$, the most acidic oxide is: