Question 1

Which of the following equations correctly represents the electron capture process for $$^{40}_{19}\mathrm{K}$$?

Accepted Answer

$$^{40}_{19}\mathrm{K} $$+ ^{0}$$_{1}\mathrm{e} \$$rightarrow ^{40}$$_{20}\mathrm{Ca}$$

Question 2

What is the product nuclide formed when $$^{26}_{13}\mathrm{Al}$$ undergoes positron emission ($$^{0}_{1}\beta$$)?

Accepted Answer

$$^{26}_{12}\mathrm{Mg}$$

Question 3

Which nuclear reaction represents the beta-minus ($$\beta^-) $$decay of $$^{40}_{19}\mathrm{K}$$?

Accepted Answer

$$^{40}_{19}\mathrm{K} \$$rightarrow ^{40}$$_{20}\mathrm{Ca} $$+ ^{0}$$_{-1}\beta$$

Question 4

Which nuclear reaction represents the alpha decay of $$^{40}_{19}\mathrm{K}$$?

Accepted Answer

$$^{40}_{19}\mathrm{K} \$$rightarrow ^{36}$$_{17}\mathrm{Cl} $$+ ^{4}$$_{2}\mathrm{He}$$

Question 5

In the reaction $$^{40}_{19}\mathrm{K} \$$rightarrow ^{40}$$_{18}\mathrm{Ar} $$+ ^{0}$$_{1}\beta$$, what type of decay is occurring?

Accepted Answer

Positron emission

Nuclear Chemistry: Radioactive Decay and Nuclear Equations

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