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88 solutions

Radioactive Decay

Q. If you purchased 3.61 μCi of sulfur-35, how many disintegrations per second does the sample undergo when it is brand new? Express your answer numerically in disintegrations per second.

Solved • Mar 17, 2020

Radioactive Decay

Q. Predict a likely mode of decay for each of the following unstable nuclides. Nb-102 a) beta decay b) positron emission

Solved • Mar 17, 2020

Radioactive Decay

Q. 230-Th undergoes beta decay. What is the mass number of the resulting element? Express your answer numerically as an integer.

Solved • Mar 16, 2020

Radioactive Decay

Q. 234-U undergoes beta decay. What is the atomic number of the resulting element? Express your answer numerically as an integer.

Solved • Mar 16, 2020

Radioactive Decay

Q. 234-Pa undergoes beta decay. What is the atomic number of the resulting element? Express your answer numerically as an integer.

Solved • Mar 16, 2020

Radioactive Decay

Q. 234-Th undergoes beta decay. What is the atomic number of the resulting element? Express your answer numerically as an integer.

Solved • Mar 16, 2020

Radioactive Decay

Q. Identify the nuclide produced when phosphorus-32 decays by beta emission: 32 P → 0-e +? Express your answer as an isotope using prescripts.

Solved • Mar 16, 2020