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 ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

How is the table organized? The Periodic Table, first compiled by Russian chemist Dmitri Mendeleyev, is organized by the number of protons in the nucleus of each element's atom, known as the ...

In this series, podcast presenters Dr Sunayana Bhargava and Tulela Pea guide you through everything you need to know about atomic structure and the periodic table to ace your GCSE science exam.

The United Nations has designated 2019 as the International Year of the Periodic Table to celebrate "one of the most significant achievements in science". In March, it will be 150 years since the ...

How much do you remember from your high school chemistry class? Find out with this quiz on the periodic table of elements.

The Halloween science worksheet is a great way to combine science with holiday fun, helping kids practice chemistry while enjoying the spooky season. Designed to engage children with a unique periodic ...

Test your knowledge and compete with other Live Science readers to see who can come top in our periodic table quiz. The periodic table of elements is a landmark categorization developed in 1869 by ...

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.