THE “periodic” classification of the elements plays such an important part in courses of inorganic chemistry for students that a large wall diagram illustrating this classification has now become a ...

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 ...

A MODERN table of chemical elements must show electronic configurations as well as the variation in the properties of the elements with atomic number. It should also include the lanthanide and ...

Earlier in a bid to reduce the burden on students, the National Council of Educational Research and Training (NCERT) dropped the full chapter on the Periodic Classification of Elements, a full chapter ...

MCQs on Class 11 Classification of Elements and Periodicity in Properties: Class 11 Chemistry Chapter - 3, Classification of Elements and Periodicity in Properties is quite important from the exam ...

The National Council of Educational Research and Training (NCERT) has removed a chapter on the periodic table of elements, among other topics, from the Class 10 science textbook as a part of a ...

After widespread criticism over the alleged removal of the Periodic Table from Class 10 chemistry textbooks, the National Council of Educational Research and Training (NCERT) has now issued a ...

The National Council of Educational Research and Training (NCERT) on Thursday said it has dropped chapters on Periodic Classification of Element, Democracy, political parties (full page) and ...