according to bohr's atomic model an atom has haevy positively charged nucleus
Answers
Bohr model, description of the structure of atoms, especially that of hydrogen, proposed (1913) by the Danish physicist Niels Bohr. The Bohr model of the atom, a radical departure from earlier, classical descriptions, was the first that incorporated quantum theory and was the predecessor of wholly quantum-mechanical models. The Bohr model and all of its successors describe the properties of atomic electrons in terms of a set of allowed (possible) values. Atoms absorb or emit radiation only when the electrons abruptly jump between allowed, or stationary, states. Direct experimental evidence for the existence of such discrete states was obtained (1914) by the German-born physicists James Franck and Gustav Hertz.
Bohr atomic model of a nitrogen atom
Bohr atomic model of a nitrogen atom
Bohr atomic model of a nitrogen ato
Early windmills transformed the kinetic energy of wind into which form of energy?
Immediately before 1913, an atom was thought of as consisting of a tiny positively charged heavy core, called a nucleus, surrounded by light, planetary negative electrons revolving in circular orbits of arbitrary radii.
Bohr amended that view of the motion of the planetary electrons to bring the model in line with the regular patterns (spectral series) of light emitted by real hydrogen atoms. By limiting the orbiting electrons to a series of circular orbits having discrete radii, Bohr could account for the series of discrete wavelengths in the emission spectrum of hydrogen. Light, he proposed, radiated from hydrogen atoms only when an electron made a transition from an outer orbit to one closer to the nucleus. The energy lost by the electron in the abrupt transition is precisely the same as the energy of the quantum of emitted light.
Bohr model of the atom
Bohr model of the atom
In the Bohr model of the atom, electrons travel in defined circular orbits around the nucleus. The orbits are labeled by an integer, the quantum number n. Electrons can jump from one orbit to another by emitting or absorbing energy. The inset shows an electron jumping from orbit n=3 to orbit n=2, emitting a photon of red light with an energy of 1.89 eV.
This article was most recently revised and updated by Amy Tikkanen, Corrections Manager.
Shell atomic modelIn the shell atomic model, electrons occupy different energy levels, or shells. The K and L shells are shown for a neon atom.
atom: Bohr’s shell model
In 1913 Bohr proposed his quantized shell model of the atom (see Bohr atomic model) to explain how electrons can have stable orbits around the nucleus. The motion of the electrons in the Rutherford model was unstable because, according to classical mechanics…
crystal bonding
chemical bonding: The Bohr model
The first attempt to introduce quantum theory to account for the structure of atoms was made by the Danish physicist Niels Bohr in 1913. He asserted that the electron in a hydrogen atom occupies one of an array of discrete (but infinite…
visible spectrum of light
light: Bohr mode
Answer: yes ,true
Explanation:because in the atom only proton is present.even neutron is present(but neutral) so,the neucleus is slightly heavy than the electrons because the mass adds up even with the neutron even if the charge is neutral.(the electrons are orbiting the atom and are stable and not together.so the atoms neucleus is slightly heavy than the electrons)