118 elements have been discovered so far and they have been classified based on certain criteria such as solid, liquid and gas; or like metals, non-metals and metalloids; or according to their atomic number – as done in the periodic table.
Explore the intricates and in-depth details of these classifications by referring to Class 10 Revision Notes Science Chapter 5 – Periodic Classification of Elements, right here on BYJU’s. Our revision notes are designed to encompass all important information in a concise and convenient format. During exams, these revision notes are one of the best resources a student should use if they want to score more marks.
Frequently asked Questions on CBSE Class 10 Science Notes Chapter 5: Periodic Classification of Elements
When was the periodic table framed by Mendeleev?
Mendeleev framed the periodic table in the year 1869.
What is a Halogen?
A Halogen is a chemical element that forms a salt when it reacts with a metal.
What is Electronegativity?
The tendency of an atom (present in a chemical element) to attract shared electrons when forming a chemical bond.