The electron affinity of chlorine is high, reinforcing its role in forming chloride ions when reacting with metals or other electron donors. In the Cl₂ Lewis structure, a lone pair remains on each chlorine atom, fulfilling the octet rule.
How Atomic Size Effects Shape the Chlorine Molecule Structure
Consequently, chlorine is a gas at standard temperature and pressure, with a relatively low boiling point of −34°C, consistent with weak London dispersion forces between molecules. This bond order reflects a stable equilibrium between attractive and repulsive forces.
Bond Order and Stability With seven valence electrons per chlorine atom, the Cl₂ molecule has a bond order of one, indicating a single covalent bond. Atomic Orbital Overlap in Cl₂ At the quantum level, the chlorine molecule structure arises from the overlap of two 3p atomic orbitals, each belonging to a chlorine atom.
How Atomic Size Effects Shape Chlorine Molecule Structure
Electronic Configuration and Reactivity Each chlorine atom contributes seven electrons to the molecule, for a total of 14 valence electrons. This overlap generates a bonding molecular orbital that lowers the energy of the system, stabilizing the molecule.
More About Chlorine molecule structure
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