The simplest type of atom to exist is the . atom a. охудen b. hydrogen O C. helium d. boron

Q: Who was the first person to use the word "atom" to describe the fundamental particles of matter? a.)…

A: The term atom is the smallest unit of material or the definite structural element which cannot be…

Q: 10 8. 6 + t (s) 4 6. 8 10 12 -2 -4 -6 + -10 x (cm) 8.

A: Time period is the time taken in one complete oscillation. Amplitude is the maximum displacement.

Q: A hydrogen atom is in a state with energy -1.51 eV. Using the Bohr model: (a) Calculate the angular…

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Q: Which of the following is the currently accepted model ofthe atom?(a) The plum-pudding model.(b) The…

A: Introduction: An atomic model is a guide to represent an atom and it is used to understand the…

Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson

A: Given :- Discovery of nucleus .

Q: QUESTION 19 In 1911, when Rutherford observed alpha particles being scattered at back angles from a…

A: From Rutherford experiment on scattering of alpha particle in gold foil he observed that most of the…

Q: Describe the Thomson raisin pudding model of the atom.

A: Thomson raisin pudding model is one of the initial attempts for an atomic model.This model proposed…

Q: What is the value of angular momentum of electron in the second orbit of Bohr’s model of hydrogen…

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Q: Q3: According to Bohr's theory, the time-averaged magnetic field at the centre (i.e. nucleus) of a…

A: To find out :- The time- averaged magnetic field at the centre of hydrogen atom due to motion of…

Q: Select all of the following statements that are basic assumptions of the Bohr model of the atom.…

A: A) Atoms have a central nucleus with electrons in orbit about this nucleus. C) Electrons orbit…

Q: Explain Bohr’s model of atom.

A: Bohr's Model: Bohr’s model describes the hydrogen atom with a small +ve nucleus and a single…

Q: • Which of the following postulates of the Bohr model led to the quantization of energy of the…

A: (1) The postulate of Bohr model that lead to the quantization of energy of Hydrogen atom is; The…

Q: Give the limitations of Bohr's theory of hydrogen atom.

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Q: Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization…

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Q: Explain a couple of differences between the model of an atom with the nucleus sitting in the center…

A: Atom consists of nucleus sorrounded  with electron's

Q: What is the energy of the photon that is emitted by the hydrogen atom when it makes a transition…

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Q: 3. The discovery of the neutron helped people understand A. how two atoms of the same element can…

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Q: 3. Draw a graph showing how the potential energy changes when two protons approach each other and…

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Q: In Bohr's atomic model, an electron is revolving in n =3 level. Calculate the speed and time period…

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Q: Describe how the quantum model of the atom differs from the planetary model of the atom.

A: To differentiate : between the quantum model of atom and planetary model of atom

Q: 2. List the assumptions of the Bohr theory of the hydrogen atom.

A: Answer:-  Assumption of the Bohr theory of the hydrogen atom :-  (1) An electron moves along the…

Q: State two postulates in Bohr's theory of the hydrogen atom.

A: Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the…

Q: 5. An electron in the first energy level of a hydrogen atom is 5.3x10-11 m from the nucleus. What is…

A: Let the orbital speed of the electron be v, the radius of the first orbit be r, and the mass of the…

Q: What is the approximate mass of an oxygen molecule, O2, if the atomic mass of oxygen is 15.9994 u?

A: Let M denotes the approximate mass of an oxygen molecule, and Z denotes the atomic mass. Therefore,…

Q: Calculate the radius of the orbital and the velocity of the electron in the second orbital = n2 for…

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Q: After removing two electrons from helium atom it become? A) UV rays B) Alpha particle C) Gama…

A: There are three types of Ionizing radiation.                       1) Alpha radiation…

Q: List three subatomic particles. Discuss their charges and positions in an atom.

A: Subatomic particles The subatomic particles are  1.Electron 2.Proton 3.Neutron

Q: 7. Determine the velocity of the electron in a positronium atom which is shown in the figure. Assume…

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Q: Use the References to access important values if needed for this question. n=00 n-4 In the Bohr…

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Q: A proton, which is the nucleus of a hydrogen atom, can be modeled as a sphere with a diameter of 2.4…

A: The given values are,

Q: QUESTION 9 In the picture are two diagrams of the first five orbits in the Bohr model labeled A…

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Q: Physics eBook and Quiz 29:44 Physics-37 Q.5/25 AAA Submit Info Theme OFF Share Bug Font Submit All…

A: When an electron makes a transition from the quantum state ni to, then there will be the emission of…

Q: 6. Find at least 5 elements whose symbols do not match their names 7. What are the two letters not…

A: Elements A substance that cannot be broken down into simpler substances by chemical means. An…

Q: a- Calculate the radius of the first orbital of the hydrogen atom according to the Bohr model? What…

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Q: What is the energy of the photon that is emitted by the hydrogen atom when it makes a transition…

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Q: Q1) The Bohr model of an atom explains the physical behavior of an atom through three hypotheses.…

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Q: The value of A in the element symbol below determines the isotope of the atom.

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Q: Name the atom whose frequency is used to define a second

A: To name the atom whose frequency is used to define a second . Solution :-

Q: Which of the following statements regarding the Rutherford model of the atom is correct? O The…

A: Rutherford model: On 1909, Sir Earnest Rutherford devised and performed an famous experiment called…

Q: 1. Use the following information to answer the next question .: O O O O O O 0 O D ooooo Modern…

A: Solution: Dalton stated that atoms are indivisible. Thomson shown that atoms are composed of…