Nuclear Chemistry Formal Assessment

Please select your teacher

• Mrs. Hill
• Ms. Grano

1. When the attractive nuclear forces and repulsive electrical forces in the nucleus are not balanced, the nucleus is unstable.

• True
• False

2. While chemical changes involve changes in the electrons, nuclear reactions involve changes to the nucleus and produce much smaller energies than chemical reactions.

• True
• False

3. We cannot use fusion for things like generating energy because it creates too much energy than that of which we can contain.

• True
• False

4. The longer a person is exposed to radiation and the closer the person is to the radiation, the greater the risk.

• True
• False

5. E=mc2 tells us that _______(m) is interchangeable with _____(E).

• material, energy
• mass, energy
• mass, efficiency
• matter, speed of light

6. Two light nuclei combine to form a heavier nuclei.

• fission
• fusion

7. A large nuclei splits into two smaller nuclei.

• fission
• fusion

8. The result of fission and fusion is that the atoms are _____.

• dense
• stable
• massive
• none of the above

9. In ______, atoms of hydrogen combine to form helium.

• fission
• fusion