Modern periodic table and classification of Elements
The modern periodic table consists of 7 periods ( horizontal rows ) , 18 groups ( vertical columns ) , The elements are arranged ascendingly according to their atomic numbers and the way to...
Tagged: Classification of Elements
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.
