atomic number

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A simplified look into the structure of an atom

For Students

atomic number summary

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atomic number: Media

physics

Videos

atoms

atoms

How atoms can be seen.

Video: © American Chemical Society (A Britannica Publishing Partner)

A simplified look into the structure of an atom

A simplified look into the structure of an atom

Explore an atom's interior to discover the layout of its nucleus, protons, and electrons.

Video: Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: