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The energy level model of the atom was proposed by Niels Bohr.
Niels Bohr proposed a "planetary system" model for the atom.
No. Before the Bohr model ,the most accepted model was the Rutherford model of the atom. Before that there was the plum-pudding model.
The idea first came from Aristotle, the Great philosopher of the fourth century B.C.
Rutherford's atom compared to the model proposed by his student Neils Bohr is very similar. Rutherford proposed a small positively charged nucleus with electrons orbiting around it. Bohr improved on this model by adding quantized energy levels to the orbits of electrons around positively charged nucleus.
JJ Thomson called his model of the atom the plum pudding model.
The energy level model of the atom was proposed by Niels Bohr.
There is no Experimental Learning Model. However, there is a learning model called the Experiential Learning Model, which was proposed by David A. Kolb as a process of learning from experience.
Niels Boht proposed his model in 1913.
1920s
In 1961 Jacob and Monod proposed the operon model of gene regulation
Rutherford
Usually, it's a good idea to start out most fully understanding the concept, and then look to nature, where you may find an example of the way the concept works. You can describe the concept using a metaphor that describes the natural phenomenon, and then develop an analogy that reflects what is understood onto the concept you're explaining. If there is no model in nature for what you want to explain, look around at other situations, systems, process and so forth, until you find one that fits.
The dynamide model was proposed by Philipp Lenard in 1903. Despite this failed model, Lenard won the 1905 Nobel Prize in Physics for his work on cathode rays.
The first atomic model was proposed by the Greek philosopher Democritus in 442 BC.
Watson and Crick
Erwin Schrödinger