When a colorless gas is passed through bromine water and it causes decolorization,which gas is it?

What are the other names for monoclinic sulfur and rhombic sulfur?

The incorrect order is

Provide information regarding the electronic configuration and atomic and ionic radii of the elements of group $16$.

Among the elements of group $16$,which element exists in a metallic lattice in its monoatomic state and also exhibits two crystalline forms,$\alpha$ and $\beta$?

In the preparation of sulphuric acid,$V_2O_5$ is used in the reaction which is: