What was Niels Bohr's contribution to the atomic theory?

What was Niels Bohr's contribution to the atomic theory?
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The path of the electron according to Niels Bohr’s theory was called what?

Description : The path of the electron according to Niels Bohr’s theory was called what?

Last Answer : Answer: Orbit shell.

The path of the electron according to Niels Bohr’s theory was?

Description : The path of the electron according to Niels Bohr’s theory was?

Last Answer : Orbit (Shell)

What would be an example of one of Niels Bohr's "great truths"?

Description : What would be an example of one of Niels Bohr's "great truths"?

Last Answer : “I missed meeting @gailcalled when she was a junior in college and chose, inexplicably. to study for an exam instead of having lunch with me and my wife while we were in Cambridge.”

What about Bohr's atomic theory was partially correct and also refined by other scientists?

Description : What about Bohr's atomic theory was partially correct and also refined by other scientists?

Last Answer : well an Austrian physicist named Erwin Schrodinger and Germanphysicist name Werner Heisenberg refined Bohr's conclusion that theexact path of an electron cannot be predicted , but there arecertain area in an ... are called electron clouds. The part that's right is thatthey can still move around.

The atomic spectra of hydrogen are explained by (a) Rutherford's model of the atom (b) Hund's rule of maximum multiplicity (c) Pauli's exclusion principle (d) Bohr's theory

Description : The atomic spectra of hydrogen are explained by (a) Rutherford's model of the atom (b) Hund's rule of maximum multiplicity (c) Pauli's exclusion principle (d) Bohr's theory

Last Answer : Ans:(d)

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 : 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

Last Answer : ANSWER: X -- SVANTE ARRHENIUS

Nils Bohr's Atomic Model Acceptance and Limitations ?

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.

What is Bohr's atomic model?

Description : What is Bohr's atomic model?

Last Answer : Bohr developed an atomic model with shells.

Explain Bohr’s Atomic Model.

Description : Explain Bohr’s Atomic Model.

Last Answer : Ans : Bohr's Atomic Model : 1. Bohr proposed that electrons move only in certain energy level & does not radiate energy continuously. Hence will not fall in nucleus. 2. Atoms radiate energy as light in ... level. This energy is directly proportional to the frequency of radiation. ΔE = E2 - E1 = hv

State two postulates of Bohr’s atomic model.

Description : State two postulates of Bohr’s atomic model.

Last Answer : 1. An atom consists of a dense positively charged central part called as Nucleus.  2. The electrons revolve around the nucleus in fixed circular paths are called orbit or shell. The electrostatic force of attraction ... of an electron (mvr) must be an integral multiple of h/2π. Hence mvr = nh/2π.

According to Bohr's theory of hydrogen atom, the angular momentum of the electron in the fourth orbit is given by (a) h/2p (b) 4h/p (c) h/p (d) 2h/p

Description : According to Bohr's theory of hydrogen atom, the angular momentum of the electron in the fourth orbit is given by (a) h/2p (b) 4h/p (c) h/p (d) 2h/p

Last Answer : Ans:(d)

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 or emission of electromagnetic radiation (c) With absorption of any electromagnetic radiation (d) With absorption of electromagnetic radiation of a particular frequency

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

Last Answer : Ans:(d)

Bohr's theory of fixed orbits contradicts (a) Coulomb's law (b) Planck's theory (c) de Broglie relation (d) Uncertainty principle

Description : Bohr's theory of fixed orbits contradicts (a) Coulomb's law (b) Planck's theory (c) de Broglie relation (d) Uncertainty principle

Last Answer : Ans:(d)

According to Bohr’s theory, the fourth stationary orbit of electrons in the hydrogen atom is a) 4 (0.053 nm) b) 9 (0.053 nm) c) 16 (0.053 nm) d) 25(0.053 nm)

Description : According to Bohr’s theory, the fourth stationary orbit of electrons in the hydrogen atom is a) 4 (0.053 nm) b) 9 (0.053 nm) c) 16 (0.053 nm) d) 25(0.053 nm)

Last Answer : c) 16 (0.053 nm)

In Bohr's theory of the atom, what force was responsible for holding the electrons in their orbit?

Description : In Bohr's theory of the atom, what force was responsible for holding the electrons in their orbit?

Last Answer : ANSWER: COULOMB FORCE or THE FORCE OF ATTRACTION BETWEEN THE PROTON (NUCLEUS) AND THE ELECTRON

What is the Contribution of anaxagoras in atomic theory?

Description : What is the Contribution of anaxagoras in atomic theory?

Last Answer : The Greek philosopher Anaxagoras (ca. 500-ca. 428 B.C.) was the first to formulate a molecular theory of matter and to regard the physical universe as subject to the rule of rationality or reason. ... on the Ionian coast of Asia Minor in the town of Clazomenae, near Smyrna (now Izmir, Turkey).

What statement did Niels Bohr make about atoms?

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.

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

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.

What are the postulates of Bohr’s model of an atom? -Science

Description : What are the postulates of Bohr’s model of an atom? -Science

Last Answer : Postulates of Bohr's model of an atom are Only certain special orbits known as discrete orbits of electrons are allowed inside the atom. While revolving in discrete orbits the electrons do not radiate energy. These orbits or ... represented by the letters K, L, M, N, or the numbers, n=1,2,3,4, .

The number of waves in n x 10th Bohr's orbit are?

Description : The number of waves in n x 10th Bohr's orbit are?

Last Answer : n

who is known as the Father of Evolution because of his significant contribution to the Theory of Evolution.?

Description : who is known as the Father of Evolution because of his significant contribution to the Theory of Evolution.?

Last Answer : Charles Darwin

What is the cell theory Explain each of the scientist's contribution to the cell theory?

Description : What is the cell theory Explain each of the scientist's contribution to the cell theory?

Last Answer : Feel Free to Answer

What are the observations of Dalton's atomic theory ? -Chemistry

Description : What are the observations of Dalton's atomic theory ? -Chemistry

Last Answer : 1. Atoms are very small 2. Atoms can neither be created nor be destroyed in a chemical reaction. 3. Atoms of the same elements show similar properties 4. Atoms of different elements show different properties 5. Atoms are always combined in definite proportion by mass in a chemical reaction.

What are the limitations of Dalton's atomic theory? -Chemistry

Description : What are the limitations of Dalton's atomic theory? -Chemistry

Last Answer : Hypothesis of Dalton's atomic theory → The matter is made up of indivisible particles known as atoms. The properties of all the atoms of a given element are the same including mass. ... element that takes part in reactions (atoms) and an ultimate particle that has independent existence (molecule)

According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Description : According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Last Answer : According to Dalton's atomic theory, the smallest particle which can exist independently is ATOM

Who gave the atomic theory ?

Description : Who gave the atomic theory ?

Last Answer : Scientist Dalton gave the atomic theory.

Who is the proponent of atomic nuclear theory ?

Description : Who is the proponent of atomic nuclear theory ?

Last Answer : Radar Ford, proponent of atomic nuclear theory.

Who Discovered the Atomic Fracture Theory ?

Description : Who Discovered the Atomic Fracture Theory ?

Last Answer : Scientist Rutherford discovered it

Who Provides the Atomic Nuclear Theory ?

Last Answer : Ernest Rutherford provided the atomic nuclear theory.

Bohar atomic theory postulates

Description : Bohar atomic theory postulates

Last Answer : Bohar atomic theory postulates.

How does the Rutherford gold foil experiment correctly advance atomic theory away from the plum pudding model.?

Description : How does the Rutherford gold foil experiment correctly advance atomic theory away from the plum pudding model.?

Last Answer : Need answer

Who was an ancient philosopher that first proposed the atomic theory?

Description : Who was an ancient philosopher that first proposed the atomic theory?

Last Answer : Leucippus (approx. 500 BC) and Democritus (approx. 460-370BC)

What is an atomic theory Apex?

Description : What is an atomic theory Apex?

Last Answer : An idea about what atoms are like (APEX)

How was the first atomic theory was formed?

Description : How was the first atomic theory was formed?

Last Answer : john dalton develop an atomic theory in 1803, based on idea ofthe atomic exsiting

What did John Dalton atomic theory teach?

Description : What did John Dalton atomic theory teach?

Last Answer : The five main points of John Dalton's atomic theory are asfollowed: · Elements are made of tiny particles called atoms. · Allatoms of a given element are identical. · The atoms of a ... , nor destroyed in the chemical process. A chemicalreaction simply changes the way atoms are grouped together.

In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Description : In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Last Answer : The name given to a particular space around the nucleus in whichan electron moves is Orbital

Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2200 years earlier?

Description : Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2200 years earlier?

Last Answer : What is the answer ?

What was one main point if daltons atomic theory?

Description : What was one main point if daltons atomic theory?

Last Answer : ttha atoms made up pthe smallest forms of matter

What did daltons atomic theory contributed to science?

Description : What did daltons atomic theory contributed to science?

Last Answer : Type your answer here... It formed the basis upon which the restof chemistry was built.

How was Thomson's atomic theory different from Rutherford atomic theory?

Description : How was Thomson's atomic theory different from Rutherford atomic theory?

Last Answer : According to Thomson's atomic theory, the mass of an atom wasspecial evenly throughout its volume. Errest Rutherford'sexperiment proved this wrong.

In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Description : In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Last Answer : The name given to a particular space around the nucleus in whichan electron moves is Orbital

What did daltons atomic theory contributed to science?

Description : What did daltons atomic theory contributed to science?

Last Answer : Type your answer here... It formed the basis upon which the restof chemistry was built.

What was one main point if daltons atomic theory?

Description : What was one main point if daltons atomic theory?

Last Answer : ttha atoms made up pthe smallest forms of matter

Who discovered the atomic theory?

Description : Who discovered the atomic theory?

Last Answer : John Dalton

Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef

Description : Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef

Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).

Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).

According to Dalton’s atomic theory, which is the smallest particle which can exist independently?

Description : According to Dalton’s atomic theory, which is the smallest particle which can exist independently?

Last Answer : An atom

Atomic Theory was propounded by?

Description : Atomic Theory was propounded by?

Last Answer : John Dalton

First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef

Description : First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef

Last Answer : A. John Dalton (Answer)

The branch of physics that deals with the motion of a very small particle is called- a)Field theory b)Particle Physics c)Quantum Mechanics d)Atomic Physics

Description : The branch of physics that deals with the motion of a very small particle is called- a)Field theory b)Particle Physics c)Quantum Mechanics d)Atomic Physics

Last Answer : c)Quantum Mechanics