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Natural abundance

Natural abundance refers to the prevalence of different isotopes of an element as found in nature. The weighted (by natural abundance) average mass of these isotopes is the atomic weight listed for the element in the periodic table.



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Wheatley Heights, New York

... 25 to 44, 23.8% from 45 to 64, and 7.9% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 95.1 males. For every 100 females ...

 
 
 
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