ShanelleW01
ShanelleW01 ShanelleW01
  • 21-12-2016
  • Chemistry
contestada

What is the general trend in atomic size within a group? Within a period?

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premedchemist
premedchemist premedchemist
  • 21-12-2016
That's a great question! Atomic size depends on how much the nucleus pulls the electrons in. The more protons there are, the more the electrons are pulled in. Therefore, atom size increases from top to bottom, and decreases from left to right.
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