r -e Physical constants Bohr Model mv² r mvr = n (A) What is the radius of the orbit with n = 4? (B) What is the speed of the orbit with n = 4? (A) (in m) The old Bohr model of the hydrogen atom was based on... (1) the assumption that the electron travels on a circle h = 6.626 x 10-34 Js; -28 Ke² = 2.307 x 107 Jm; 31 m9.11 x 107 kg. Ke² 12 and obeys Newton's second law, and (2) the hypothsis that angular momentum is quantized. For the Bohr model, (1) (2)

r -e Physical constants Bohr Model mv² r mvr = n (A) What is the radius of the orbit with n = 4? (B) What is the speed of the orbit with n = 4? (A) (in m) The old Bohr model of the hydrogen atom was based on... (1) the assumption that the electron travels on a circle h = 6.626 x 10-34 Js; -28 Ke² = 2.307 x 107 Jm; 31 m9.11 x 107 kg. Ke² 12 and obeys Newton's second law, and (2) the hypothsis that angular momentum is quantized. For the Bohr model, (1) (2)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways:

Question

r
-e
Physical constants
(A) What is the radius of the orbit with n = 4?
(B) What is the speed of the orbit with n = 4?
The old Bohr model of the hydrogen atom was based on...
(1) the assumption that the electron travels on a circle
h = 6.626 x 10-34 Js;
-28
(A) (in m)
Bohr Model
mv²
r
mvr = n
and obeys Newton's second law,
and (2) the hypothsis that angular momentum is quantized.
For the Bohr model,
Ke² = 2.307 x 107 Jm;
31
m9.11 x 10 kg.
(B) (in m/s)
Ke²
12.
(1)
(2)
OA: 2.034x10-10 OB: 2.706x10-10OC: 3.598x10-10 OD: 4.786x10-10 OE: 6.365x10-10 OF: 8.466x10-10 OG: 1.126x109 OH: 1.497x109
OA: 8.533x104 OB: 1.237x105 OC: 1.794x105 OD: 2.601x105 OE: 3.772x105 OF: 5.470x105 OG: 7.931x105 OH: 1.150x106

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