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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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yexiu yexiu
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2 years ago
Most periodic tables indicate the elements for which all isotopes are radioactive. Which pair of elements with atomic number less than 83 have only radioactive isotopes?

▸ Pb and At

▸ Tc and Cd

▸ K and Pm

▸ Tc and Pm

▸ C and K
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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Gorgio_DeGorgio_De
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yexiu Author
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2 years ago
Correct Slight Smile TY
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this is exactly what I needed
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