In a crystal cations and anions are held together by
Electrons
Electrostatic forces
Nuclear forces
Covalent bonds
In electrovalent crystal has cation and anion are attached by electrostatic forces.
In a crystal, cations and anions are held together by
Iodine molecules are held in the crystals lattice by ..............
(a) London forces (b) dipole-dipole interacions
(c) Covalent bonds (d) coulombic forces