First established in 1869, the periodic table quickly took the scientific world by storm as a means of properly organizing elements. Beyond being a helpful learning tool, the periodic table ...

Organization of the Periodic Table: Periods and families in the periodic table are described. Students learn to determine the number of energy levels and valence electrons in an atom of an element ...

The periodic table of elements was proposed in 1869, and thereafter became one of the cornerstones of the natural sciences. This table was designed to contain all the elements (atoms) found in nature ...

Nerds have been decorating with the periodic table forever, but let’s face it: it’s never looked good. This lovely minimalist interpretation does the impossible and actually makes it ...

The positions in the periodic table were, therefore, dictated by these so-called valence electrons. The mystery had finally been solved.

The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore ...

Get here MCQs on Periodic Classification of Elements of CBSE Class 10 Science. Answers of all questions are also provided here.