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Why does the atomic radius increase from top to bottom?

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Why does the atomic radius increase from top to bottom?

Atomic Radius and Periodic Trends:

The atomic radius is the distance measured from the center of the nucleus to the outside of the electron cloud. The atomic radius of each element has a different measurement, resulting in a periodic trend on the periodic table.

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The atomic radius increases in size from top to bottom on the periodic table because the number of energy levels in the elements is increasing. For...

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Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table

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Chapter 3 / Lesson 3
63K

What are Atomic and Ionic radius trends? Learn about ionic and atomic radius, examine trends of atomic and ionic radius on the periodic table, and see the differences between them.


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