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ATOMIC MODEL (BOHR MODEL 220px-Niels_Bohr (PROBLEMS IN BOHR MODEL (The…
ATOMIC MODEL
THOMSON ATOMIC
MODEL
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WILSON SOMMERFELD MODEL
Instead of electron moving in circular orbits around the hydrogen nucleus as in Bohr's model, this orbit resembled that of an ellipse, where the nucleus lied in one of its focal points.
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RUTHERFORD IMPROVEMENT
All of the positive charge and all of the atoms' mass are assumed to be in a small region in the center of atom
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BOHR MODEL
PROBLEMS IN BOHR MODEL
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The assumption which states that electrons in fixed orbits has violated the laws of classical mechanical physics.
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Planck's constant,h =6.62607004 × 10-34 m2 kg / s
In order to have a stable atom, e- will have certain energies(quantized energy)
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