Question

what happens in the chemical reactivity of elements when we move from top to bottomin peroidic table in metallic side?Why?
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Answer 1

Explanation:

you go from left to right on the periodic table elements have more electrons in their valence shells they have to get rid off which requires an element to have high energies which results into lower Chemical Reactivity. For Non-Metals, the farther right-up in the table you go, the higher the electronegativity.....

Answer 2

Answer:  The chemical reactivity of elements when we move from top to bottom of a periodic table in metallic side, the metallic character increases.

Since the ionization energy decreases going down a group, the increased ability for metals lower in a group to lose electrons makes them more reactive.

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