Embibe Experts Solutions for Chapter: Classification of Elements and Periodicity in Properties, Exercise 1: TS EAMCET 2020 (9-Sep Shift-1)

Which of the given atoms has the greatest electron affinity?

What will be the $\mathrm{IUPAC}$ symbol and name for the element with atomic number $123$ ?

Covalent bond length of a chlorine molecule is $1.98 \stackrel{\mathrm{o}}{\mathrm{A}}$. Covalent radius (in $\stackrel{\mathrm{o}}{\mathrm{A}}$) of chlorine atom is _________

Among the isoelectronic ions$\left({\mathrm{O}}^{2-}, {\mathrm{N}}^{3-}, {\mathrm{Mg}}^{2+}, {\mathrm{Na}}^{+}\right),$ the ions with the least and the highest ionic radius are, respectively

The general formula of the compounds formed when group $13$ elements (A) reacts with group $16$ elements (B) is

Starting from the $1^{\mathrm{st}},$ the successive ionization potentials of an element are respectively $5.98, 18.8, 28.4, 120.1, 154 \mathrm{eV}.$ The element is

The neutral oxide among the following is