The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

The questions in this quiz are suitable for GCSE chemistry students studying Mendeleev's periodic table, electronic structure and the modern periodic table. If you struggled with the quiz ...

These describe how a subject looks and behaves. Substances have both physical and chemical properties. Developing the periodic table The periodic table was developed by grouping elements with ...

However, he is remembered for his search for a pattern in inorganic chemistry. Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between ...

You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Sodium, like most elements in the periodic table could be said to have a ...