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Anton [14]
3 years ago
14

How is the mass number of an isotope expressed in the name of an atom?

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
6 0
The mass number of an isotope can be expressed <span>by simply writing the name of the element or symbol followed by a hyphen and the mass number.

Example:
Carbon-13, Carbon-14 
Oxygen-17
Uranium-235

</span>
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