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The atomic mass of an element on the Periodic Table is the weighted average mass of the isotopes of that element. True False
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The atomic mass of an element on the Periodic Table is the weighted average mass of the isotopes of that element. True False

User Roger Ng
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True!

For example:

The atomic mass of carbon is 12.011 (i think) and the weight of carbon is 12. But with C13 and C14 being a little higher, it makes the average higher. Random fact: C14 is used for carbon dating.
User Brianne
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