The radius of an atom is approximately

The radius of an atom is approximately 10-10 m.


An atomic radius is half the distance between adjacent atoms of the same element in a molecule. The atomic radius is defined as the shortest distance between the atom’s nuclei and the outermost shell of the atom

  • Measuring the atomic radii of chemical elements is a complicated task as the size of an atom is of the order of 1.2×10-10 m.
  • The electron cloud forming the shell of an atom does not have any fixed shape which makes it difficult to determine the atomic size of an atom.

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