This value is the atomic weight.
All of the isotopes in an element's atomic masses divided by the amount of isotopes there are is the weighted-average mass of the mixture of an elements isotopes.
The atomic mass of an element is the weighted average of masses of the isotopes of the element, weighted in proportion to their abundance.
Since you have isotopes of elements. Isotopes are elements with different number of neutrons hence why the different atomic masses for the same elements.
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Isotopes of an element have different masses because their nuclei have different numbers of neutrons.
They are called isotopes. They have different mass nmbers because they have a different number of neutrons.
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Yes!
An atom or element that have different masses are known as isotopes.
This is the atomic weight.
The weighted average for all isotopes that occur in nature for an element is its atomic weight listed on the Periodic Table of the elements.
Yes, each isotope has a specific atomic mass; this is correct for all the elements.