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Atoms and their sizes_HERO

Atoms and Their Sizes

Atoms and Their Sizes

  • Exhibition Text

    • Atoms range in size from a few tenths of a nanometer to several nanometers across. More than 10 million hydrogen atoms would fit across the head of a pin. Atoms are the basic constituents of molecules, cells, humans, and planets. The human body contains about a billion billion billion (10^27) atoms.

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In This Section

Hydrogen atom_HERO

Hydrogen Atom

If the Hayden Sphere is the size of a rhinovirus, then this model is the relative size of the hydrogen atom.

Water and ammonia

Water

If the Hayden Sphere is the size of a rhinovirus, then the model hanging about you are the relative size of water.

Water and ammonia

Ammonia

If the Hayden Sphere is the size of a rhinovirus, then the model hanging about you are the relative size of ammonia.

Methane

Methane

If the Hayden Sphere is the size of a rhinovirus, then the model hanging about you are the relative size of methane.

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