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Moseley established the concept of atomic number by

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 105IE Chapter 7

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 105IE

Moseley established the concept of atomic number by studying X rays emitted by the elements. The X rays emitted by some of the elements have the following wavelengths:

Element

Wavelength (Å)

Ne

14.610

Ca

3.358

Zn

1.435

Zr

0.786

Sn

0.491

(a) Calculate the frequency, n, of the X rays emitted by each of the elements, in Hz. (b) Plot the square root of n versus the atomic number of the element. What do you observe about the plot? (c) Explain how the plot in part (b) allowed Moseley to predict the existence of undiscovered elements. (d) Use the result from part (b) to predict the X-ray wavelength emitted by iron. (e) A particular element emits X rays with a wavelength of 0.980 Å. What element do you think it is?

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Lab 3: Mixtures and Solutions Pre‐lab Questions 1. Name two homogeneous mixtures and two heterogeneous mixtures that you come across daily. Two homogeneous mixtures would be coffee with cream in it or tea with sugar Two heterogeneous mixtures would be cereal and milk and cucumbers and ranch 2. Explain how you would separate a solid mixture of sand and salt using any of the methods...

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Chapter 7, Problem 105IE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. The answer to “Moseley established the concept of atomic number by studying X rays emitted by the elements. The X rays emitted by some of the elements have the following wavelengths:ElementWavelength (Å)Ne14.610Ca3.358Zn1.435Zr0.786Sn0.491(a) Calculate the frequency, n, of the X rays emitted by each of the elements, in Hz. (b) Plot the square root of n versus the atomic number of the element. What do you observe about the plot? (c) Explain how the plot in part (b) allowed Moseley to predict the existence of undiscovered elements. (d) Use the result from part (b) to predict the X-ray wavelength emitted by iron. (e) A particular element emits X rays with a wavelength of 0.980 Å. What element do you think it is?” is broken down into a number of easy to follow steps, and 118 words. The full step-by-step solution to problem: 105IE from chapter: 7 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. Since the solution to 105IE from 7 chapter was answered, more than 862 students have viewed the full step-by-step answer. This full solution covers the following key subjects: elements, element, Rays, emitted, wavelength. This expansive textbook survival guide covers 49 chapters, and 5471 solutions.

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