This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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a(Z - b)
Moseley's law relates the frequency of X-rays emitted by an element to its atomic number. It states that the square root of the frequency (√ν) of the characteristic X-rays emitted by an element is directly proportional to the atomic number (Z) of that element.
The formula is: √ν = a(Z - b)
Where: • ν is the frequency of the emitted X-ray. • Z is the atomic number of the element. • a and b are constants that depend on the specific X-ray emission line (e.g., Kα, Lα). For the Kα line, b is approximately 1.
This law was crucial because it provided experimental evidence for the atomic number being the fundamental property of an element, rather than atomic weight, and it allowed for the correct placement of elements in the periodic table.
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Moseley's law relates the frequency of X-rays emitted by an element to its atomic number.
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.