16. Average atomic mass is different from mass number because... O A. the average atomic mass describes the mass number of a single atom, but mass number describes the average of all exact masses among isotopes of an element. B. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the weighted average of all the exact masses among isotopes of an element. mass number describes the exact mass of a single atom, but average atomic mass describes the average of all mass numbers. O D. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the largest mass among isotopes of an element.

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 25E: The average atomic masses of some elements may vary, depending upon the sources of their ores....
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16.
Average atomic mass is different from mass number because...
A. the average atomic mass describes the mass number of a single atom, but mass number describes the average of all
exact masses among isotopes of an element.
B. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the
weighted average of all the exact masses among isotopes of an element.
C. mass number describes the exact mass of a single atom, but average atomic mass describes the average of all mass
numbers.
O D. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the
largest mass among isotopes of an element.
Transcribed Image Text:16. Average atomic mass is different from mass number because... A. the average atomic mass describes the mass number of a single atom, but mass number describes the average of all exact masses among isotopes of an element. B. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the weighted average of all the exact masses among isotopes of an element. C. mass number describes the exact mass of a single atom, but average atomic mass describes the average of all mass numbers. O D. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the largest mass among isotopes of an element.
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