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Question
Iodine molecules are held in the crystals lattice by ______.
Options
london forces
dipole-dipole interactions
covalent bonds
coulombic forces
Solution
Iodine molecules are held in the crystals lattice by london forces.
Explanation:
| Type of solid | Con- stituent particles | Bonding/ attractive forces | Examples | Physical nature | Electrical conduc- tivity | Melting point |
| Molecular solids (non-polar) |
Mol- ecules | Dispersion or London forces |
Ar, CCI4, H2,I2, CO2 |
Soft | Insulator | Very low |
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