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Are the atomic masses of some elements a...

Are the atomic masses of some elements actually fractional ?

A

They exist as a mixture of isotopes of different masses

B

They contain impurities of other atoms

C

They are mixtures of isobars

D

They cannot be weighted accurately.

Text Solution

Verified by Experts

The correct Answer is:
A
Atomic masses are the average atomic masses of the mixture of isotopes and calculated on the basis of relative abundance, hence they are usually fractional.
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