Question
Define the following:
Average atomic mean.
Solution
Average atomic mass : The average atomic mass is defined as “the average relative mass of an atom of an element as compared to the mass of carbon atom (C-12) taken as 12 amu.’ For example, in naturally occurring neon isotopes and their relative abundance are as follows :
|
Isotope |
Fractional abundance |
|
20Ne |
0·9051 |
|
21Ne |
0·0027 |
|
22Ne |
0·0922 |
