What is the atomicity of sulfur in rhombic sulfur?

Identify the correct order of thermal stability of hydrides of $16$ group elements from the following.

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 $\beta$?

What is the product formed when $SO_2$ reacts with an aqueous solution of sodium hydroxide?

Which of the following dinegative anions is quite common?

Permono sulphuric acid is known as