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 ...

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 ...

CBSE Class 10 Science Extra Questions and Answers for Chapter 5 - Periodic Classification of Elements are available here for free PDF download. All these questions and answers are prepared by the ...

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 ...

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 ...

The element 112 has been officially recognized as a new element by the International Union of Pure and Applied Chemistry (IUPAC). IUPAC confirmed the recognition of element 112 in an official letter ...

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 ...