Explore the concept of chemical elements and the definition of an element in science with this guide for KS3 chemistry students aged 11-14 from BBC Bitesize.

A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise. To get ...

The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

The chemistry of promethium, a rare radioactive element, has been clouded in mystery, owing to its scarcity and the difficulties involved in working with it. The synthesis of a complex of ...

Is it possible to make an element zero? Does it already exist? The periodic table contains a wide array of elements, numbered from one (hydrogen) to 118 (oganesson), with each number representing ...

Orbitals Chemistry (s, p, d, and f Orbital) - The article talks about Atomic Orbitals and their four different kinds, denoted s, p, d, and f, each with a different shape.