Atomic model
Snemalna Knjiga Besedilo
- Thompsons' Atomic Model (1904)
- Madam Sophia, would you mind explaining me about the evolution of atomic model?
- Bravo! Ron for showing motivation in learning. I shall explain you briefly.
- Rutherford'satomic model (1911)
- Atomic Model of Democritus (460-370 BC)
- All matter is made up of tiny particles known as atoms which is small, hard, indivisible and indestructible.
- John Daltons atomic model (1808)
- Yes! all matters are created by atoms which are indivisible. Compounds are created by combining two or more atoms and all atoms of given elements are identical in mass and properties.
- Atoms have internal structure that are made up of similar particles known as subatomic particles.cathode ray tube experiment proves the presence of subatomic particle known as electrons.
- Atoms are composed of very dense nucleus with lots of empty spaces and gold foil experiment proves it all. All positive charges are centralized while negatively charged subatomic electrons orbits around the nucleus.
- Bohrs'atomic Model (1913)
- Electrons do not randomly revolve around the nucleus but rather in a fixed circular orbit with constant level of energy.
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