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Question 2 of 20 :
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- Pb has an atomic mass of 82. If an atom of that element has an atomic mass of 80, that atom is known as
O A. radioactive.
B. magnetic
C. a stereoisomer.
D. an isotope
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Answer:

Pb has an atomic mass of 82. If an atom of that element has an atomic mass of 80, that atom is known as: an isotope.

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