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Periodicity
infoWhy this? Periodicity connects electron configuration and bonding with systematic changes in atomic properties, structure, and physical behaviour. Recognising these patterns allows us to explain observations and make justified predictions about elements.
scheduleWhy now? Revisiting atomic structure and bonding here brings these ideas together into a coherent explanation of periodic trends. This establishes the framework for the forthcoming studies of redox behaviour, halogens, and Group 2 metals.
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