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Isotopes and Average Atomic Mass
Worksheet
Grade Level
Chemistry
11.15 Isotopes and Average Atomic Mass
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A student estimates chlorine's atomic mass by using mass numbers 35 and 37 instead of exact isotope masses 34.969 and 36.966. Which result is expected?
A
A value with no connection to the actual isotope mixture.
B
A close estimate, but not the most precise value.
C
A value that changes chlorine into a different element.
D
A value that must be exactly equal to 36.000 amu.
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