Answered

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How does atomic size change down the group and across the period.

Sagot :

cutebunny3211

Answer:

Atomic size decreases along a period because of the nuclear charge increasing, this means that the electrons are more attracted to the nucleus, which decreases the size.

Atomic size increases down a group because the number of electron shells is greater each time, meaning that the electrons are less attracted to the nucleus.

Explanation:

Hope this helps :D

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