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Chemistry

What is the wavelength of this radiation in units of Ångströms

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter24: Nuclear Chemistry

Section: Chapter Questions

Problem 37A

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Concept explainers

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

Question

Bruce Banner is dosed with gamma radiation with a frequency of 2.05 x 1019 Hz. What is the wavelength of this radiation in units of Ångströms (Å). 1 Å= 10-10 m. Round your answer to the correct number of significant figures.

Expert Solution

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Frequency is the ratio of speed of light to the wavelength of light.

So,

Wavelength = speed of light/frequency

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