Units of Measure
Clouds

What unit is used to measure the diameter of an atom's electron cloud?

Answer

User Avatar
Wiki User
11/23/2011

The smallest unit for measuring distance is the attometer. The attometer is equal to one 1,000,000,000,000,000,000th of a meter. This is the only unit small enough to provide some degree of precision when measuring distances on the atomic level - like the diameter of an atom's electron cloud.