Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry. It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the atomic mass of silicon. Isotope Isotopic Mass (amu) Abundance % 28Si 27.976927 92.23 29Si 28.976495 4.67 30Si 29.973770 3.10 Group of answer choices 27.9801 amu 28.7260 amu 28.9757 amu 29.2252 amu 28.0855 amu
Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry. It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the atomic mass of silicon. Isotope Isotopic Mass (amu) Abundance % 28Si 27.976927 92.23 29Si 28.976495 4.67 30Si 29.973770 3.10 Group of answer choices 27.9801 amu 28.7260 amu 28.9757 amu 29.2252 amu 28.0855 amu
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 42E: The element silver (Ag) has two naturally occurring isotopes: 109 Ag and 107Ag with a mass of...
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Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry. It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the
Isotope |
Isotopic Mass (amu) |
Abundance % |
||||
28Si |
27.976927 |
92.23 |
|
|
|
|
29Si |
28.976495 |
4.67 |
|
|
|
|
30Si |
29.973770 |
3.10 |
|
|
|
Group of answer choices
27.9801 amu
28.7260 amu
28.9757 amu
29.2252 amu
28.0855 amu
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