Question

What increases/decreases when we go across a period and down a group?

Answer 1

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➡ Atomic radius decreases across a period(from left to right) and increases down the group.

➡ Electronegativity increases across a period and decreases down a group.

➡ Metallic character decreases across a period and increases down a group.

➡ Similarly, non metallic character increases across a period and decreases down a group.

Answer 2

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