An introductory course in chemistry suitable for students with little previous experience in the subject. The basic concepts of chemistry, including atoms and molecules, the periodic table, bonding, ...

In this feature, molecules are depicted in two ways. Methane, for example, is written out as CH 4. This shows that the molecule consists of one atom of carbon and four atoms of hydrogen. The molecule ...

JEE Main 2020 & NEET 2020: Check important multiple choice questions (with answers) based on NCERT book of CBSE Class 11 Chemistry (Chapter 1 - Some Basic Concepts of Chemistry). These questions are ...

For the first time, scientists have successfully trapped atoms of krypton (Kr), a noble gas, inside a carbon nanotube to form a one-dimensional gas. Scientists from the University of Nottingham’s ...