The PCl5 molecule has trigonal bipyramidal structure. Therefore, the hybridization of p orbitals should be

The number of water molecules associated with copper sulphate molecule to form crystals is

Which of the following statements are incorrect about the structure of an atom? (i) The atom as a whole is neutral. (ii) The atom is an indivisible particle. (iii) The whole mass of an atom is concen…

In an atom, the order of filling up of the orbitals is governed by –

The mass of 0.5 mole of N₂ gas is

Which one of the following could not be explained by Rutherford's nuclear model?