Nuclear Chemistry Practice

8 problems · instant feedback · full explanations

Nuclear chemistry deals with changes in the nucleus. These eight problems cover alpha, beta, and gamma radiation, half-life calculations, and fission versus fusion.

Q1.
An alpha particle is:

Multiple choice · Easy

Q2.
An 80 g radioactive sample decays through 2 half-lives. How much of the original isotope remains?

Numerical answer (g) · Easy

Q3.
In beta decay, the atomic number of the nucleus increases by 1.

True / False · Medium

Q4.
In terms of their physical nature, gamma rays are:

Multiple choice · Easy

Q5.
The half-life of a radioisotope is the time needed for:

Multiple choice · Beginner

Q6.
Carbon-14 has a half-life of 5730 years. What fraction of the original C-14 remains after 11,460 years?

Numerical answer · Medium

Q7.
Nuclear fission splits a heavy nucleus into lighter nuclei.

True / False · Easy

Q8.
Which type of radiation is the most penetrating?

Multiple choice · Easy

Nuclear Chemistry Practice

Q1. An alpha particle is:

Q2. An 80 g radioactive sample decays through 2 half-lives. How much of the original isotope remains?

Q3. In beta decay, the atomic number of the nucleus increases by 1.

Q4. In terms of their physical nature, gamma rays are:

Q5. The half-life of a radioisotope is the time needed for:

Q6. Carbon-14 has a half-life of 5730 years. What fraction of the original C-14 remains after 11,460 years?

Q7. Nuclear fission splits a heavy nucleus into lighter nuclei.

Q8. Which type of radiation is the most penetrating?

Q1.
An alpha particle is:

Q2.
An 80 g radioactive sample decays through 2 half-lives. How much of the original isotope remains?

Q3.
In beta decay, the atomic number of the nucleus increases by 1.

Q4.
In terms of their physical nature, gamma rays are:

Q5.
The half-life of a radioisotope is the time needed for:

Q6.
Carbon-14 has a half-life of 5730 years. What fraction of the original C-14 remains after 11,460 years?

Q7.
Nuclear fission splits a heavy nucleus into lighter nuclei.

Q8.
Which type of radiation is the most penetrating?