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 ...

In this episode Dr Sunayana Bhargava and Tulela Pea talk about the building blocks of all matter: atoms. They also discuss how they combine in different ways to make molecules, compounds and mixtures.

A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a ...

THIS little book on the elements of the rare earth group, or lanthanides as they are now called, contains chapters on (a) electronic structures and oxidation states, (b) magnetic properties, (c) ...