Some Basic Concepts of Chemistry 1 Question 40
60. Accounts for the following. Limit your answer to two sentences, “Atomic weights of most of the elements are fractional”.
$(1979,1 \mathrm{M})$
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Solution:
- Most of the elements found in nature exist as a mixture of isotopes whose atomic weights are different. The atomic weight of an element is the average of atomic weights of all its naturally occurring isotopes.
