Ah, that diagonal relationship list—I still remember memorising it like a parrot for exams, Lithium and Magnesium behaving similarly. But I never grasped *why* until our old geyser’s heating element gave trouble and didi explained how both metals are tricky with water, reacting slowly. All those hours of rote learning, and it took a leaking pipe in our guesthouse to make it stick.
#exams#study
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