The Periodic Table of the Elements

On January 13, 1888, a group of thirty-three prominent citizens, including geographers, explorers, teachers, lawyers, cartographers, military officers, and financiers, gathered at the Cosmos Club in Washington, DC, to establish "a society for the increase and diffusion of geograp ...  عرض المزيد

The mid-19th century saw the rise of the first mass working-class political movement in British history. Despite being a working-class movement, they sought reforms in the British political system, not necessarily economic. Their grievances were set out in six points, known as Th ...  عرض المزيد

The periodic table is an invaluable tool for scientists across the planet -- but how does it work? In this episode, Allison and Robert explore the creation of the periodic table. Tune in to learn more about the history and structure of the periodic table.

Melvyn Bragg and guests discuss the chemical elements. The aim and challenge in chemistry, according to the Encyclopaedia Britannica, is the understanding of the complex materials which constitute everything in existence since the Big Bang, when the whole universe emerged out of ...  عرض المزيد

If you’ve ever wanted to listen to two totally untrained, non-chemists who are fully unqualified to explain how the periodic table works nervously explain how the periodic table works, then this episode is for you. Chemistry majors, be warned.See omnystudio.com/listener for priva ...  عرض المزيد

Richard looks at the periodic table for your GCSE Chemistry exam. In this episode, he will look at how the periodic table developed and what the key features of the periodic table are. Ideal for preparing your for GCSE Chemistry exam. For more info visit <a href="https://www.s ...