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Relative Atomic Mass
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Relative Atomic Mass
Introduction
- Every element has its own unique relative atomic mass
- RAM is based on the standard of carbon-12
- One carbon-12 atom = 12u
- The RAM is the average of all the isotopic atoms
Calculations
- You need to know the percentages of each isotope of the element
- Find the percentage of the mass number of each isotope, then add them together
- E.g Br-79 = 50% Br-81=50% So (79*0.5)+(81*0.5)= 80
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- Description
- AS level Chemistry (EL) Mind Map on Relative Atomic Mass, created by Jonathan Quigley on 05/10/2016.
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- Jonathan Quigley
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