Which of the following isotopes has the longest half-life?
A) Uranium-238
B) Copernicium-227
C) Strontium-90
D) Iodine-131
E) Carbon-12
Correct Answer:
Verified
Q180: Which of the following isotopes is used
Q181: An alpha radiation is composed of _
Q182: Which of the following is a metalloid?
A)
Q183: Which of the following is a metalloid?
A)
Q184: Which of the following is a metalloid?
A)
Q185: Which of the following is an alkali
Q186: Which of the following is not a
Q188: Which of the following is an alkaline
Q189: Which of the following elements is most
Q190: Which of the following is a metalloid?
A)
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