The periodic table is a complex and ever-evolving tool that scientists use to organise and understand the elements that make up our world. But what exactly is an atom, and what does it have to do with the periodic table? This guide will explore the history, application and organisation of atomic structure and the periodic table, and ultimately provide an in-depth overview of the elements and the theories behind them. At the core of atomic structure are protons, neutrons and electrons. Protons, which are positively charged, and neutrons, which have no charge, are located in the nucleus of an atom. Electrons, which are negatively charged, orbit the nucleus in a…