But what are atoms made up of? A very important part of chemistry is understanding the structure of atoms and the differences between them. Around 400 B.C., there was a brilliant philosopher named ...

SCIENCE is steadily becoming severely specialised. The proportion of amateurs (in the restricted sense of the word) among original workers of all ranks decreases slowly but surely. The average ...

LiveChart is an interactive chart that presents the nuclear structure and decay properties of all known nuclides through a user-friendly graphical interface. Most of the accessible data are taken from ...

Integrates symbolic tools, graphical concepts, data and numerical calculations. Introduces the foundations of chemistry, including electronic structure of atoms and molecules, intermolecular forces, ...