Question

what is ionization energy and explain it's trend in periods and groups?

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Answer 1

Answer:

Ionization energy exhibits periodicity on the periodic table. The general trend is for ionization energy to increase moving from left to right across an element period. Moving left to right across a period, atomic radius decreases, so electrons are more attracted to the (closer) nucleus

Explanation:

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Answer 2

Answer:

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Explanation: