Science, asked by joshihemant1101, 3 months ago

why do the reactivity of element increase on moving from top to bottom in group IA of modern periodic table?

Answers

Answered by timnahasinik623

Answer:

As we move from top to bottom, the reactivity of metallic elements of Group IA increases. Since the atomic size of sodium is smaller than the atomic size of potassium, sodium has more force of attraction between the nucleus and valence shell than that of potassium.

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