Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

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.

In the modern periodic table, elements are in order of atomic number in periods and groups. Electronic structures model how electrons are arranged in atoms. Groups in the periodic table - AQA ...

In Toca Lab: Elements you will explore the colorful and electrifying world of science and meet all 118 of the elements from the periodic table. Discover elements by experimenting with the lab tools!

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

In this episode, Dr Sunayana Bhargava and Tulela Pea look at groups 1, 7 and 0 of the periodic table, exploring the properties of the elements in each group. TULELA: I’m Tulela Pea, a science ...