Atomic size of the elements in the modern periodic table
The atomic radius is used as a measure for the atomic size of the atom, and its measuring unit is picometre (Pm), The picometre is part from million of million part of metre.
Tagged: The electrons
Attempts of elements classification, Mendeleev, Moseley & Modern periodic table
The elements The scientists classified the elements according to their properties to facilitate their study and to find a relationship between the elements, and their chemical and physical properties.