A Brief History Of Atom | Democritus to Quantum | Atomic Models

Could an object be divided into smaller and smaller pieces forever? - To answer this question the new concept emerged in science which known as Atomic theory. In this video I have explained in detail about the Atomic theory revolution in each period.

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Topics covered In this video :

• 00:00 Philosophical ideas of atom
Democritus
Archarya Kanad

• 01:20 Dalton’s Atomic theory
Antoine Lavoisier
Law of conservation of mass
Law of constant composition

• 04:36 JJ Thompson atomic theory
Cathode rays
Discovery of Electrons

• 07:30 Ernest Rutherford atomic theory
Gold foil Experiment- Alpha particles
Brief Structure of atom

• 11:12 Bohr’s Atomic theory
Stability of atom
Radius of Orbit
Velocity of electrons
Energy of electron Orbit
How electrons gain or loose Energy
Electromagnetic waves
Hydrogen line Emission Spectrum
Wavelengths of Electromagnetic waves
What is light

22:30 Basic structure of atom

• 25:43 Wave nature of matter
De Broglie’s Wave nature of matter
Heisenberg Uncertainty Principle

• 27:38 Quantum model of atom
De Broglie wave equation
Probability
Wave Nature of subatomic particles
Humans Limitation

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