The periodic table arranges all the chemical elements in a specific way. Patterns are visible in the way that elements behave, and this allows us to make predictions about other elements.

maximum oxidation state and reactivity. Sir Martyn says: “Think of the periodic table from the viewpoint of children looking for the first time at Mendeleev’s table hanging on the classroom wall. The ...

sulfur and oxygen share similarities in chemical reactivity. However, sulfur's position lower in the periodic table endows its compounds with distinct properties that are advantageous to ...