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Chapter 3 The Atom (Grade 10) †Energy quantization and electron conflguration †The Periodic Table of the Elements: Periodicity of ionization energy to
Modern day scientists have evolved two types of classification of matter based on their physical properties and chemical nature. In this chapter we shall learn about matter based on its physical properties. Chemical aspects of matter will be taken up in subsequent chapters. 1.1 Physical Nature of Matter. 1.1.1 MATTER IS MADE UP OF PARTICLES.
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From investigating chemical reactions to studying the laws of motion, class 9 science projects foster critical thinking and analytical skills while instilling a deeper appreciation for the scientific method.
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