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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.

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The weighted average of the masses of all naturalisotopes of an element is called atomic weight.

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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.

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The atomic weight of the element

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Average atomic mass

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Atomic mass

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atomic mass

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Q: An average of the masses of all the naturallly occurring isotopes of an element?
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What is the average of all the naturally occurring isotopes of a particular element?

The average of all the naturally occurring isotopes of a particular element are an element's atomic Mass.


The average mass of all the known isotopes of an element is what?

The known weighted-averagemass of all the naturally occurring* isotopes for an element is the atomic mass of the element.____________________*This is not the same as "all the known isotopes", becausemost elements have known isotopes that are not naturally occurring.


Is the weight average mass of all the known isotopes for an element?

The known weighted-averagemass of all the naturally occurring* isotopes for an element is the atomic mass of the element.____________________*This is not the same as "all the known isotopes", becausemost elements have known isotopes that are not naturally occurring.


What is the weighted-average mass of all the known isotopes for an element?

The known weighted-averagemass of all the naturally occurring* isotopes for an element is the atomic mass of the element.____________________*This is not the same as "all the known isotopes", becausemost elements have known isotopes that are not naturally occurring.


Are the mass number is an average of the masses of all naturally occurring isotopes of an element?

Yes they do.


The atomic mass of an element is defined as the weighted average mass of that element's?

For the chemical elements the correct expression is atomic weight.This value is the weighted average mass of the natural isotopes of this element.


What is the weighted average of the atomic masses of an element's naturally occurring isotopes is called the?

The atomic weight that is listed on the periodic table for each element is the weighted average of the atomic masses of an element's naturally occurring isotopes. So you are describing atomic weight as it is used on the periodic table.


What is a weighted average of the masses of all of the naturally occurring isotopes of an element?

The mean Atomic Mass.


What is the weighted average of the masses of all naturally occurring isotopes of an element?

The atomic weight of the element (syn.: mass number).


How are isotopes placed in the periodic table?

Isotopes and their prevalence are not shown on the periodic table. Instead, the atomic weight shown for each element is an average of the atomic weights of all naturally-occurring isotopes (calculated from percentages occurring on Earth).


How does the average atomic mass of an element differ from the mass of an individual atom of the same element?

The masses and relative abundances of all naturally occurring isotopes of the element are required to calculate average atomic mass of the element.


Is radon the element naturally occurring?

The radon isotopes 222Rn and 220Rn are natural isotopes.