Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...
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. Suitable for: AQA, Edexcel, OCR. For more ...