Table of Contents
- 1 What is the main defect of Bohr atom model?
- 2 What are the main reasons for the failure of the Bohr’s atomic model?
- 3 What are the limitations of Bohr’s atomic model class 11?
- 4 What were the defects in Rutherford’s atomic model and how were these removed by Bohr?
- 5 What are the drawbacks and limitation of Bohr’s atomic model?
- 6 What were the weaknesses or limitations of Bohr’s model of atoms?
- 7 How did Bohr remove the defects from Rutherford’s model?
- 8 What are the defects in this atomic model?
- 9 What are the defects of Bohr’s atomic model theory?
- 10 What are the limitations of the Bohr model?
- 11 When does Bohr fail to explain the Zeeman effect?
What is the main defect of Bohr atom model?
failed to explain larger atoms.
What are the main reasons for the failure of the Bohr’s atomic model?
The reasons for the failure of the Bohr model are ; 1) In Bohr model, an electron is regarded as a charged particle moving in different circular orbits about the nucleus . 2)The wave character of the electron is not considered in Bohr model .
What are the defects of Rutherford’s atomic model?
i) Electron rotating around the nucleus is only a suggestion without any experimental proof. ii) A rotating electron normally will spend its energy and ultimately should fall into the nucleus. But this never happens in an atom.
What are the limitations of Bohr’s atomic model class 11?
(i) It does not explain the spectra of atoms having more than one electron. (ii) Bohr’s atomic model failed to account for the effect of the magnetic field (Zeeman Effect) or electric field (Stark effect) on the spectra of atoms or ions.
What were the defects in Rutherford’s atomic model and how were these removed by Bohr?
To remedy the stability problem, Bohr modified the Rutherford model by requiring that the electrons move in orbits of fixed size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. Radiation can occur only when the electron jumps from one orbit to another.
What are the defects of Rutherford’s model very short answer?
The defects of this model of an atom are: -The electron which is rotating around the nucleus is only a suggestion and there is no experimental proof for its presence. -A rotating electron in general will spend some of its energy and ultimately, it should fall into the nucleus.
What are the drawbacks and limitation of Bohr’s atomic model?
The Bohr Model is very limited in terms of size. Poor spectral predictions are obtained when larger atoms are in question. It cannot predict the relative intensities of spectral lines. It does not explain the Zeeman Effect, when the spectral line is split into several components in the presence of a magnetic field.
What were the weaknesses or limitations of Bohr’s model of atoms?
The Bohr Model considers electrons to have both a known radius and orbit, which is impossible according to Heisenberg. The Bohr Model is very limited in terms of size. Poor spectral predictions are obtained when larger atoms are in question. It cannot predict the relative intensities of spectral lines.
What are the defects of the Rutherford’s model?
How did Bohr remove the defects from Rutherford’s model?
What are the defects in this atomic model?
What are the limitations of Bohrs model of an atom Class 11?
What are the defects of Bohr’s atomic model theory?
What are the defects of Bohr’s atomic model theory? 1. Bohr’s model could explain the line spectrum of hydrogen atom and hydrogen like ions (e.g. He+ , Li2+, Be3+ etc.) and it could not explain the spectra of atoms containing more than one electron. 2. In presence of magnetic field, each spectral line gets split up into fine lines (Zeeman effect).
What are the limitations of the Bohr model?
Limitations of Bohr’s Model of an Atom. Bohr’s model of an atom failed to explain the Zeeman Effect (effect of magnetic field on the spectra of atoms). It also failed to explain the Stark effect (effect of electric field on the spectra of atoms). It violates the Heisenberg Uncertainty Principle. It could not explain the spectra obtained
When did Niels Bohr invent the atomic model?
Bohr’s Atomic Model was introduced by Niels Bohr in 1915. It was basically a modified version of Rutherford’s Atomic Model wherein Bohr explained that electrons move in fixed orbitals (shells) and not anywhere in between and he also explained that each orbit (shell) has a fixed energy level.
When does Bohr fail to explain the Zeeman effect?
It failed to explain the Zeeman effect when the spectral line is split into several components in the presence of a magnetic field. It failed to explain the Stark effect when the spectral line gets split up into fine lines in the presence of an electric field.