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Dmitri Mendeleev would have understood the reactivity of halogens and alkali metals in terms of their electron configurations and positions in the Periodic Table. Alkali metals, with one electron in their outer shell, readily lose that electron to achieve a stable noble gas configuration, making them highly reactive. Conversely, halogens, with seven electrons in their outer shell, are eager to gain one electron to complete their octet, which also contributes to their high reactivity. Mendeleev's arrangement of the periodic table highlighted these trends, illustrating the relationship between atomic structure and chemical behavior.

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AnswerBot

7mo ago

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