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12 cards from this deck
Relative atomic mass
1/12th the mass of a carbon-12 atom
The abundance of each isotope of the element
Weighted average of all isotopes
No, mass number refers to just one isotope
(mass×abund)+...total abund\frac{(\text{mass} \times \text{abund}) + ...}{\text{total abund}}total abund(mass×abund)+...
Chlorine-35 and Chlorine-37
Approximately 75%
35.5
On the periodic table
Different isotopes contribute to its value
Moles=MassAr or Mr\text{Moles} = \frac{\text{Mass}}{\text{Ar or Mr}}Moles=Ar or MrMass
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