pchemtutor on Instagram: "3 things you should master in Mod 1 Chem: 1) Electron configuration This is the starting point of everything in chemistry. Once you know where electrons sit, you'll have a strong foundation to understand: → electronegativity → why ions form → how bonds work And later in Module 8, it even helps you make sense of IR and NMR patterns at a deeper level. Get this right early, and the whole course feels lighter. --- 2) Intermolecular forces (IMFs) IMFs explain why substances