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  Matter – Complete Notes (NEET Chemistry) Matter in Chemistry: Learn the states of matter, classification, atoms, molecules, compounds, and mixtures with easy diagrams. Chapter 1: Matter Around Us What is Matter? Definition: Anything that has mass and occupies space (volume) is called matter . Examples Water Air Wood Iron Human body Oxygen Characteristics of Matter Matter is made up of tiny particles called constituent particles . These particles have the following properties: 1. Particles are in Continuous Motion The particles of matter are always moving. Solids → Vibrate about fixed positions. Liquids → Move freely. Gases → Move very fast. Example: Perfume smell spreads throughout a room. 2. Particles have Spaces Between Them There is empty space between particles. The space is: Least in solids More in liquids Maximum in gases Example: Sugar dissolves in water because sugar particles occupy spaces between water particles. 3. Particles Attract Each Other Particles attract one...

  Classification of Matter & States of Matter | Simple NEET Chemistry Notes 1.2 Nature of Matter (NEET Notes  Classification of Matter and States of Matter explained with simple diagrams for easy NEET revision. - Dr.Sanjaykumar Pawar  What is Matter? Matter is anything that has mass and occupies space . Every object around us is matter. Examples: book, pen, pencil, water, air, plants, animals. All living and non-living things are made up of matter. Key idea: If it has weight (mass) and takes up space (volume) → it is matter. 1.2.1 States of Matter Basic idea Matter exists in three physical states : Solid Liquid Gas Particle nature of matter (VERY IMPORTANT for NEET) 1. Solid state Particles are very closely packed . Arranged in a fixed, orderly pattern . Particles have very little movement (only vibration). Strong force of attraction between particles. Resulting properties: Definite shape Definite volume Not compressible easily Ex...

Chemistry Notes: Classification of Matter Classification of Matter Class IX Chemistry - Chapter 2 Summary 1. The Big Picture Matter at the macroscopic level can be divided into two main categories: Pure Substances and Mixtures . Pure Substances Constituent particles are the same in chemical nature. They have a fixed composition . Elements: Consist of only one type of atom (e.g., Copper, Oxygen gas). Compounds: Two or more atoms of different elements combined in a fixed ratio (e.g., Water, Glucose). Mixtures Contain two or more pure substances in any ratio . Composition is variable. Homogeneous: Uniform distribution (e.g., Sugar solution, Air). Heterogeneous: Non-uniform composition; components often visible (e.g., Salt...