You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Hello, this week we're almost at the top of the periodic table because ...

Watch this video to find out more information on the periodic table ... element symbol always starts with a capital letter. Any letters that follow will be lower case letters, for example, helium ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights that differed by seven. He called this The Law of ...