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What is an Atom?
An Atom is the smallest particle of an element which can take part in a chemical reaction to form a new substance.
Atomic size or atomic radius : Atom is very tiny which cannot be seen by naked eyes. However the size can be measured in nanometer.
1nm=1/ 109 m
Atomic radii of hydrogen atom = 1 × 10–10 m.
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- Apunte sobre Sin título, creado por Dr Anup Sharma el 16/07/2020.
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