Bohr Radius

The possible distance between the proton and electron of the hydrogen atom in its lower energy level is the Bohr's radius. It was named after Niels Bohr and it played a major role in the Bohr's Model. It is expressed in m and represented as a0. The value of Bohr's radius is 5.2917721092(17)×10−11 m which is equal to 53 pm or 0.53 angstroms.

Constant Name

Bohr Radius

Symbol : a0

Unit : m

Value : 0.529 177 2108(18) × 10-10

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