Question

choose the option from the drop - down menus that is best described by each statement.
involves combining of nuclei:
produces dangerous radioact
have high activation energies
releases large amounts of en
occurs in the stars:
drives chemical plants:
(the drop - down menu options include nuclear fission, nuclear fusion, both)

Explanation:

1. Nuclear fusion is defined as the process of combining atomic nuclei.
2. Both nuclear fission and fusion produce dangerous radioactive byproducts or materials.
3. Nuclear fusion requires extremely high activation energy to overcome nuclear repulsion; fission has lower activation energy, so only fusion matches this.
4. Both nuclear fission and fusion convert mass to energy, releasing large amounts of energy.
5. Nuclear fusion is the reaction that powers stars, like the Sun.
6. Nuclear fission is used in nuclear reactors to generate electricity that drives chemical plants.

Answer:

• Involves combining of nuclei: nuclear fusion
• Produces dangerous radioactivity: both
• Have high activation energies: nuclear fusion
• Releases large amounts of energy: both
• Occurs in the stars: nuclear fusion
• Drives chemical plants: nuclear fission