Which set of molecules is polar:

The cyanide ion, CN⁻ and N₂ are isoelectronic. But in contrast to CN⁻, N₂ is chemically inert, becau

Which is most ionic:

The boiling point of ICl is nearly 40°C higher than that of Br₂ although the two substances have the

The lattice energies of the oxides of Mg, Ca, Sr and Ba follow the order:

The type of bonds present in CuSO₄·5H₂O are: