Question
From these data, calculate the atomic mass of nickel. How does your answer compare to the value found on the periodic table? How do the values you found compare to those in Exercise $31 ?$
Step 1
This is done by multiplying the atomic mass of each isotope by its natural abundance (in decimal form), and then summing these values. The atomic mass of the first isotope is 57.9353 atomic mass units (amu) and its natural abundance is 0.6808. So, we multiply Show more…
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Use an Internet search engine (such as http://www .google.com) to locate a table of isotopes found in naturally occurring samples of nickel. From these data, calculate the atomic mass of nickel. How does your answer compare to the value found on the Periodic Table? How do the values you found compare to those in Exercise 31 ?
Calculate the atomic weight of nickel from the following information.
Calculate the atomic weight of nickel from the following information. $$ \begin{array}{lcc} \text { Isotope } & \begin{array}{c} \text { Isotopic } \\ \text { Mass (amu) } \end{array} & \begin{array}{c} \text { \% Natural } \\ \text { Abundance } \end{array} \\ \hline{ }^{58} \mathrm{Ni} & 57.9353 & 68.08 \\ { }^{60} \mathrm{Ni} & 59.9308 & 26.22 \\ { }^{61} \mathrm{Ni} & 60.9311 & 1.14 \\ { }^{62} \mathrm{Ni} & 61.9283 & 3.63 \\ { }^{64} \mathrm{Ni} & 63.9280 & 0.93 \\ \hline \end{array} $$
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