Andrewlin

These revision notes for Edexcel A-Level Chemistry Unit 1 cover atomic structure and the periodic table in detail. Key topics include the properties and significance of subatomic particles, the principles of electron configuration, and the trends observed across the periodic table. Additionally, these notes explain periodic trends such as atomic radius, electronegativity, and ionization energy, and introduce mass spectrometry as a tool for determining relative atomic masses and isotopic composit...