The formula of $3$ membered discrete chain silicate is

Which set of elements form electron precise hydrides?

Monosilane,on coming in contact with air,burns with a luminous flame producing vortex rings. These rings are of:

The group $14$ elements $A$ and $B$ have the first ionisation enthalpy values of $708$ and $715 \ kJ \ mol^{-1}$ respectively. These values are the lowest among their group members. The nature of their ions $A^{2+}$ and $B^{4+}$ respectively is:

What are the ions called that possess properties similar to halide ions and consist of two or more electronegative atoms,at least one of which is nitrogen?

Nitrolim is