Caluclating the Relative Atomic Mass of Elements accurately

Subject: Caluclating the Relative Atomic Mass of Elements accurately

Date: Fri Jun 30 22:01:29 2000
Posted by Yogi
Grade level: 10-12 School: John Paul College
City: Brisbane State/Province: Queensland Country: Australia
Area of science: Chemistry
ID: 962416889.Ch

Message:


My teacher has given us the abundances of isotopes of a few elements and 
shown us how to calculate the relative atomic mass of the element as a 
weighted average.  Why are the RAM's I calculate different to the RAM's on 
my periodic table?  How do I get the right values to calculate the correct 
RAM of an element?

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