The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

Scientists proposed a new sequence by assigning a Mendeleev Number (MN) to each element The elements are arranged in the new table solely based on their electronegativity and radius The researchers ...

The periodic table is like a map that organizes elements based on their atomic structure and properties. It helps scientists and students study and understand the vast variety of elements and how they ...

Check CBSE Class 10 Science Notes for Chapter 5 - Periodic Classification of Elements for quick revision before Board Exam 2021. These notes are according to the revised CBSE Class 10 Science Syllabus ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...