Which of the following ideas aboutelectrons was suggested by NielsBohr? *Electrons move according to theirenergy level.Electrons are found in specificorbits.Electrons are scattered throughoutthe atom.O electrons are positive

Niels Bohr Proposed a theory for hydrogen atom in 1913.

Answered: Which of the following ideas about…

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter15: Instrumentation In Medical Imaging

Section: Chapter Questions

Problem 2Q

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What frequency of EM radiation is emitted when an electron in a hydrogen atom jumps from n = 3 to n = 2? ( /2)Frequency = __________× 1014 Hz
The magnesium electron spectrum has a line at 266.8 nm. Does it have a greater speed in a vacuum (an area without an atom or particle) than does red light with a wavelength of 652 nm? Why or why not?
All ions have at least one ________ (select all that arecorrect).a. proton c. electronb. neutron d. all of the above
Which of the following statements is true? 1) The shortest wavelength of light is the ultraviolet ray, which is the highest in energy. 2) The longest wavelength of light is the ultraviolet ray, which is the highest in energy 3) The shortest wavelength of light is the visible light, which is the highest in energy 4 ) The shortest wavelength of light is the infrared ray, which is the highest in energy. 5) The longest wavelength of light is the infrared raywhich is the highest in energy .
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figure2.3 the energy levels are spaced evenly apart when they should not be. based on calculated values for the energies of the transitions draw n=2 through n=6 to scale. label all energy levels
All ions have at least one ________ select all that are correct. a. proton c. electron b. neutron d. all of the above
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Polonium is a rare element with 33 radioisotopes. The most common one, P210o, has 84 protons and 126 neutrons. When P210o decays, it emits an alpha particle, which is a helium nucleus 2 protons and 2 neutrons. P210o decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason why authorities failed to discover toxic amounts of P210o in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of P210o change into after it emits an alpha particle.
Oxygen (O) is a(n) _______; the oxygen we breathe (O2) is a(n) _______; and the carbon dioxide we exhale is a(n) _______. a. compound; molecule; element b. atom; compound; element c. element; atom; molecule d. atom; element; molecule e. element; molecule; compound
Figure 2.3 How many neutrons do carbon-12 and carbon-13 have, respectively?

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Which of the following ideas about electrons was suggested by Niels Bohr? *