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With A. Sommerfeld's extension of the Bohr theory in 1915-1916, it was turned into a powerful tool of atomic research and adopted and further developed by German physicists in particular. The new and more general Bohr-Sommerfeld theory described the atom in terms of two quantum numbers, while Bohr had originally used only one quantum number. With this extension the theory provided an explanation of the Stark effect, the ordinary Zeeman effect, and the fine structure of the hydrogen spectrum. Other developments based on X-ray spectroscopy were less successful, as were attempts to understand the structure of the helium atom. Yet, by 1920 nearly all physicists accepted the theory as the only viable framework for atomic and quantum research. But not all agreed: the chapter includes an account of conceptual and other objections against the theory raised by J. Stark in Germany and a few other physicists.
What else can I help you with?
How many types of atom do you have?
You mean elements? So far scientists have brought out some 109 elements. If you mean atom model, then first Prout's model Then Thomson's, Rutherford's, Bohr's, Sommerfeld's. Finally vector atom model.
The Bohr model of the atom which placed the electrons at definite distances from the nucleus is known as what?
The Bohr model of the atom, which placed electrons at specific energy levels around the nucleus, is known as the planetary model of the atom. In this model, electrons orbit the nucleus in fixed paths or "shells."
Bohr model of the atom states what?
The Bohr model of the atom was a planetary model.
Who developed the model of an atom as a build up of successive orbital shells of electrons?
J.J Thompson discovered the electron during his famous cathode ray tube experiment in 1897, but it was actually Niels Bohr who discovered the electron shell (by accident), performing an x-ray experiment in 1909.
Who proposed the electron orbit model?
Niels Bohr proposed the electron orbit model in 1913 as an improvement to the previous model proposed by Ernest Rutherford. Bohr's model suggested that electrons orbit the nucleus in specific energy levels, which helped explain the stability of the atom.
What does atomic model of Bohr states?
The Bohr model of the atom was a planetary model.
In Niels Bohr and model of the atom how are electrons configured?
In Niels Bohr's model of the atom, how are electrons configured?
In niels Bohr's model of the atom how are electrons configured?
In Niels Bohr's model of the atom, how are electrons configured?
How is Niels Bohr's model of the atom a quantum model?
The atomic model of Bohr is not a quantum model.
Did Bohr's model of the atom explain hydrogen's flammability?
Bohr's model of the atom doesn't explain hydrogen's flammability.
Were is the nucleolus on a Bohr model?
An atom does not have a nucleolus, but it does have an atomic nucleus which is located in the center of the atom, including the Bohr model.
What does Bohr's atom look like?
Niels Bohr suggested a planetary model for the atom.
