# In what year was the Bohr atomic model given ?

Bohr presented the atomic model in 1913

## Related questions

Description : How is Bohr atomic model different from the plum pudding model?

Last Answer : In Bohr's model , the atoms mass is found at its center instead of distributed throughout.this is for apex

Description : Who developed the model of atomic structure? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Last Answer : (1) Bohr and Rutherford Explanation: In 1911 Ernest Rutherford used experimental evidence to show that an atom must contain a central nucleus. Niels Bohr further developed Rutherford's nuclear atom ... support the idea that electrons occupy particular orbits or shells around the nucleus of an atom.

Description : Who developed the model of atomic structure ? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Last Answer : Bohr and Rutherford

Description : The spin-only magnetic moment [in units of Bohr magneton, `(mu_(B)` of `Ni^(2+))` in aqueous solution would be (atomic number of `Ni=28)`

Last Answer : The spin-only magnetic moment [in units of Bohr magneton, `(mu_(B)` of `Ni^(2+))` in aqueous solution would be ( ... ` A. 2.84 B. 4.8 C. 0 D. 1.73

Description : The de-Broglie wavelength of an electron moving in the nth Bohr orbit of radius ris given by

Last Answer : The de-Broglie wavelength of an electron moving in the nth Bohr orbit of radius ris given by A. `(2pir)/n` B. `npir` C. `(nr)/(2pi)` D. `(nr)/pi`

Description : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.

Last Answer : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.

Description : Calculate the energy of hydrogen atom in the ground state given that the after Bohr orbit og hydrogen is `5xx10^(-11)m` and electronic charge is `1.6x

Last Answer : Calculate the energy of hydrogen atom in the ground state given that the after Bohr orbit og hydrogen is ` ... electronic charge is `1.6xx10^(-19) C`.

Description : The Bohr magneton is given by a) eh/2m b) eh/2πm c) eh/4m d) eh/4πm

Description : The total energy of electron in the Bohr orbit is given by the formula, E = a) - ke2 /2r b) - ke2 /2r2 c) - k 2 e/2r d) - ke2 /r

Last Answer : a) - ke2 /2r

Description : The quantized Bohr orbit radius of electron in hydrogen atom is given by a) n2 r3 b) nr1 c) n2 r2 d) n2 r1

Last Answer : d) n2 r1

Last Answer : Nils Bohr won the Nobel in 1922

Description : Explain the haldane effect and bohr effect? -Biology

Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.

Last Answer : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio ... False. D. If both Assertion & Reason are false.

Description : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom is

Last Answer : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom ... `propn^3` C. `propb` D. none of these

Description : Bohr effect is :-

Last Answer : Bohr effect is :- A. The effect of `Co_(2)` on haemoglobin B. The effect of `CO_(2)` on ... on RBC D. The effect of `O_(2)` on haemoglobin

Description : The spin only magnetic moment value ( in Bohr magneton units ) of `Cr(CO)_(6)` is :

Last Answer : The spin only magnetic moment value ( in Bohr magneton units ) of `Cr(CO)_(6)` is :

Description : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Last Answer : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Description : A particle of mass `m` moves along a circular orbit in centrosymmetrical potential field `U(r )=kr^(2)//2`. Using the Bohr quantization condition, fin

Last Answer : A particle of mass `m` moves along a circular orbit in centrosymmetrical potential field `U(r ... orbital radii and energy levels to that particle.

Description : What was Neils Bohr major contribute to the atom?

Description : How did bohr purpose the particles within the atoms are arranged?

Description : What do you mean by bohr bury scheme?

Description : How did Neil's Bohr discover the energy levels within electrons?

Description : What statement did Niels Bohr make about atoms?

Last Answer : In 1913, Niels Bohr proposed a theory for the hydrogen atom based on quantum theory that energy is transferred only in certain well defined quantities. Electrons should move around the nucleus but only ... orbits. When jumping from one orbit to another with lower energy, a light quantum is emitted.

Description : Who is Bohr?

Last Answer : One of the physicists that worked on Quantum Mechanics in the 1920s and 1930s. He is Danish and lived in Copenhagen. He is most popularly known for his interpretation of Quantum Mechanics that came to be ... the mask came loose from his large head and he blacked out before he could put it back.

Description : Where did Bohr go to school?

Last Answer : Niels Bohr went to school at Copenhagen University

Description : How tall is Bohr?

Last Answer : Frank Bohr is 6' 3".

Description : Did Bohr die?

Last Answer : Yes, Bohr died on November 18, 1962

Description : Bohr effect is (A) Shifting of oxyhemoglobin dissociation curve to the right (B) Shifting of oxyhemoglobin dissociation curve to the left (C) Ability of hemoglobin to combine with O2 (D) Exchange of chloride with carbonate

Description : According to Bohr's theory, an electron in one Bohr stationary orbit can go to a higher stationary orbit (a) By emission of electromagnetic radiation (b) Without any absorption ... absorption of any electromagnetic radiation (d) With absorption of electromagnetic radiation of a particular frequency

Description : Who invented the modern Periodic table? (1) Faraday (2) Mendeleev (3) Newton (4) Bohr

Last Answer : (2) Mendeleev Explanation: Dmitri Mendeleev was a Russian chemist who developed the periodic classification of the elements in 1869 A.D.

Description : The name of the scientist who discovered neutron is - (1) Fermi (2) Rutherford (3) Chadwick (4) Bohr

Last Answer : (3) Chadwick Explanation: Sir James Chadwick, CH, FRS (20 October 1891 – 24 July 1974) was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.

Description : Who discovered electrons? (1) Rutherford (2) Niels Bohr (3) JJ Thomson (4) Newton

Last Answer : (3) JJ Thomson Explanation: JJ Thomson, while performing cathode ray experiment found that the cathode ray is made up of very small negatively charged particles to which he termed as electrons.

Description : Neutron was discovered by - (1) Chadwick (2) Rutherford (3) Fermi (4) Bohr

Last Answer : (1) Chadwick Explanation: Neutron was discovered by James Chadwick in the year 1932. The neutron is a subatomic particle, symbol n or n⁰, with no net electric charge and a mass slightly larger than that of a proton. Protons and neutrons constitute the nuclei of atoms.

Description : The amount of energy required to completely remove an electron from the first Bohr orbit is a) 13.6 MeV b) 13.6 eV c) 1.36 MeV d) 1.36 eV

Last Answer : b) 13.6 eV

Description : The energy required to completely remove an electron from the first Bohr orbit is called a) excited energy b) ionization energy c) accelerated energy d) orbital energy

Last Answer : b) ionization energy

Description : The value of first quantized Bohr orbit radius of hydrogen atom is a) 0.0053 nm b) 5.3 nm c) 0.053 nm d) 0.053 cm

Last Answer : c) 0.053 nm

Description : The wave nature of electrons was EXPERIMENTALLY verified by: w) Einstein x) Davisson and Germer y) Balmer z) Bohr.

Description : The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: w) Thompson x) Bohr y) Rutherford z) Einstein

Description : The collision between a photon and a free electron was first explained by which of the following scientists? w) Einstein x) Heisenberg y) Compton z) Bohr

Description : Which of the following scientists is responsible for the exclusion principle which states that two objects may NOT occupy the same space at the same time? Was it: w) Heisenberg x) Bohr y) Teller z) Pauli

Description : My theory of electrolytic dissociation earned me t 1903 Nobel Prize in chemistry. My name is: w) Niels Bohr x) Svante Arrhenius y) Michael Faraday z) John Cavendish

Description : Which of the following scientists explained the photoelectric effect? Was it: w) Einstein x) Planck y) Bohr z) Chadwick

Description : Who is the founder of quantum theory of radiation ? (1) Einstein (2) Bohr (3) Plank (4) S. N. Bose

Last Answer : Rutherford's atomic model was presented in 1911

Description : What model of probability applies to atomic decay?

Last Answer : It’s not “assigned”, it is measured.

Description : In what way is the Rutherford’s atomic model different from that of Thomson’s atomic model? -Science

Last Answer : utherford proposed that electron revolves around the nucleus in well-differentiated orbits. The nucleus is the centre which is positively charged. Rutherford proposed that the nucleus is very small and ... like a Christmas pudding and the mass of the atom was supposed to be uniformly distributed.

Description : Michael was having dinner with his family on the occasion of Christmas. When it was the time for 0 studied concepts. dessert, Michael became curious. When he saw that the dessert was plum pudding, he ... of the model discussed here. 1 13.4 Give one drawback of the atomic model . -Science

Last Answer : 13.1 Correlation of the plum pudding with what Michael studied in his chemistry class is as follows:- In chemistry class, Michael studied the model of atom proposed by J.J. Thomson- "plum pudding ... of the atom as how a positive charge sphere can hold negatively charged electrons in an atom.

Description : What was the limitation of J. J. Thomson’s atomic model ? -Science

Last Answer : According to J.J. Thomson’s model of an atom, an atom consists of a positively charged sphere with electrons embedded in it. However, it was later found that the positively charged particles reside at the centre of the atom called the nucleus, and the electrons revolve around the nucleus.

Description : Nils Bohr's Atomic Model Acceptance and Limitations ?

Last Answer : 1. The electron in the atom will rotate in a specific orbit centered on the nucleus. 2. Electrons will remain stable while in a fixed orbit. 3. Electrons will absorb or radiate energy as they move from ... Bohr model, but in reality there is more than one. Which is not explained in the Bohr model.

Description : Did Rutherford's Atomic Model Succeed ?

Last Answer : Rutherford's atomic model was a success , but some misconceptions about his model were also given.