Concept explainers
Interpretation:
The
Concept introduction:
Isotopes are those elements which have an equal number of protons that means
Answer to Problem 128A
Atomic mass of chromium is
Explanation of Solution
The data of percent abundances and masses of the natural isotopes of chromium are given in the table.
Isotope | Percent Abundance | Mass (amu) |
To calculate the average atomic mass, calculate the weighted average of the four isotopes by multiplying the percent abundances by corresponding masses.
Thus, the tomic mass of chromium is
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Glencoe Chemistry: Matter and Change, Student Edition
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