What is periodic property? How do the following Properties change in a group and period ? explain a) Atomic Radius b) Ionization energy c) Electron Affinity d) Electro negativity
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Period : Electronegativity increases along a period from left to right. Ionization energy increases from left to right in a period. Ionization energy decreases from top to bottom in a group. a) Na, Al, Cl: All these three elements are in the same period atomic sizes are in the order of Na > Al > Cl.
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