🧪 Classification of Matter 🧬 Everything around us — the air we breathe, the water we drink, and the metals we use — is made of matter. Matter is anything that has mass and occupies space. It can be classified into Pure Substances and Mixtures. ✨ Pure Substances contain only one type of atom or molecule. They are further divided into: ➡️ Elements – cannot be broken down into simpler substances (e.g., Copper, Oxygen). ➡️ Compounds – made of two or more elements chemically combined (e.g., Water,