Concept explainers
To Explain: The student claims that no silicon atom has an
Explanation of Solution
Introduction:
The silicon element is represented by Si in the periodic table which has an average atomic mass of 28.08 amu. The atomic mass of silicon is the average mass of the
The average atomic mass is based on isotopes of an element (silicon) and their relative abundances.
Silicon has 4 isotopes and they are Si-28, Si-29, Si-30, and Si-31. The average mass of all isotopes is 28.08. So, the student’s claim is true. No silicon atom has an atomic mass of 28.09.
Conclusion:
The student claimis true because the average atomic mass of silicon is 28.08 amu.
Chapter 16 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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