Atomic structure and theory

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  • เผยแพร่เมื่อ 10 ก.พ. 2025
  • Title : Atomic structure and Theory, about Daltan Principle and Rutherford
    In this video I explained about what is atom and who introduce the atoms
    About their principle
    John Dalton's Atomic Theory, also known as the Dalton Principles, revolutionized chemistry and our understanding of matter. Here are the key postulates:
    Dalton's Postulates (1803)
    1. *Matter is composed of tiny particles called atoms*: Atoms are indivisible, smallest units of matter.
    2. *Atoms of the same element are identical*: Atoms of the same element have the same properties, mass, and size.
    3. *Atoms of different elements differ*: Atoms of different elements have distinct properties, masses, and sizes.
    4. *Atoms combine in simple whole-number ratios*: Atoms of different elements combine in fixed, simple ratios to form compounds.
    5. *Atoms cannot be created or destroyed*: Atoms are indestructible and conserve their identity in chemical reactions.
    Key Implications:
    1. Atomic weight concept
    2. Law of Multiple Proportions
    3. Law of Definite Proportions
    4. Foundation for modern chemistry and physics
    Limitations:
    1. Didn't account for subatomic particles (electrons, protons, neutrons)
    2. Assumed atoms were indivisible
    Influence on Science:
    1. Development of modern atomic theory
    2. Discovery of subatomic particles
    3. Understanding of chemical bonding type in comment box
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