In this article you will get the clue that from where and how the questions are being framed from the chapter Periodic Classification of Elements The experts of jagranjosh.com have full confidence ...

Here you get the CBSE Class 10 Science chapter 5, Periodic Classification of Elements: NCERT Exemplar Problems and Solutions (Part-II). This part of the chapter includes solutions for Question No.1 to ...

Electrical conductivity: copper has the highest conductivity of the engineering metals. Silver or other elements may be added to increase strength, softening resistance or other properties without ...

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 ...