Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

This article brings you the CBSE Class 9 Science Notes for Chapter 3 - Atoms and Molecules. These chapter notes are prepared by the subject experts and cover every important topic from the chapter. In ...

Scientists use AI to generate designs of potential new molecules, a process that is 10 times faster and more precise.

Changing the chemistry of a compound is difficult by itself, but modifying materials only a few atoms thick is its own challenge. A group of University of Chicago scientists announced an innovative ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...