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Showing posts from July, 2026

Mole Concept & Stoichiometry NEET Guide (2026)

 - Dr Sanjay Kumar Pawar  NEET Mole Concept: Formulas, Tricks & PYQs Balanced equations reveal mole ratios — the heart of every stoichiometry problem. The Mole Triangle: connecting mass, particles, and gas volume in one simple diagram. From grams to moles to molecules: the core conversion every NEET aspirant must master. Internal Links States of Matter and Gas Laws — natural follow-up since gas volume/STP concepts are shared. Chemical Equilibrium — reuses mole ratio and concentration term concepts. Redox Reactions and Electrochemistry — builds directly on equivalent weight and n-factor concepts introduced here. Solutions and Colligative Properties — molarity, molality, and mole fraction are foundational to this chapter. Atomic Structure — links back to Avogadro's number and atomic mass fundamentals. Some Basic Concepts of Chemistry (NCERT Class 11, Ch. 1) — the parent chapter; link as the primary pillar page. NEET Chemistry Formula Sheet (all chapters) NEET Previous Year Q...

Dalton's Atomic Theory: Limitations and Impact on Chemistry

Dalton’s Atomic Theory – A foundational concept in chemistry, illustrating the early views of atomic behavior and its limitations in explaining subatomic particles and isotopes. Understanding Dalton's Atomic Theory: Limitations, Impact, and Frequently Asked Questions  - Dr.Sanjaykumar pawar Dalton’s Atomic Theory, proposed in 1803 by the English chemist John Dalton, is considered a cornerstone in the development of modern chemistry. While Dalton’s ideas laid the foundation for understanding the nature of matter, they were not without limitations. In this comprehensive exploration, we will discuss Dalton's atomic theory, its limitations, and the impact it had on scientific thinking. We will also address some frequently asked questions to clarify various aspects of Dalton's atomic theory. 1. Dalton’s Atomic Theory: A Quick Overview Dalton's Atomic Theory was one of the first scientific theories to propose that matter is composed of small, indivisible particles called atom...