Chemistry: Elements, Compounds, and Mixtures (2nd Edition) (1983) is a 20-minute educational film from the *Chemistry Series* ...

Save guides, add subjects and pick up where you left off with your BBC account. An element is a substance that cannot be broken down into any other substance. Every element is made up of its own ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature ...