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Chemistry
Atoms and Atomic Structure
Beryllium

What is the size of the atom?


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Answered 2013-06-20 11:44:37

It does depend a fair amount on the poo particles. The smallest atom is a hydrogen atom (37 picometers) whereas some larger atoms more than 5 times larger (lanthanum is 187 picometers). If the atom is an ion, it will also change it's radius significantly (positive ions are smaller and negative ions are larger than the neutral atom).

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