18-12-2020
Chemistry

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Period 2: smallest atomic radius

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Dustbucket21 Dustbucket21

18-12-2020

Answer:

Helium

Explanation:

I believe helium is what your are looking for, you didn't quite make it clear what you wanted but hope this can be of some use.

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connerbyington12 connerbyington12

18-12-2020

Helium has the smallest atomic radius. This is due to trends in the periodic table, and the effective nuclear charge that holds the valence electrons close to the nucleus.

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