Question

inside stars in space, the nuclei of hydrogen atoms fuse together to form helium atoms. this represents which form of energy?
electrical energy
nuclear energy
chemical energy
radiant energy

Explanation:

To solve this, we analyze each option:

• Electrical energy involves electric charges, not atomic nuclei fusion.
• Nuclear energy is released from nuclear reactions (fusion/fission). Hydrogen fusion to helium is a nuclear fusion reaction, so this matches.
• Chemical energy involves chemical bonds (electron interactions), not nucleus changes.
• Radiant energy is electromagnetic radiation (like light), not the source of energy from fusion.

Answer:

B. nuclear energy (assuming the options are labeled as A: electrical energy, B: nuclear energy, C: chemical energy, D: radiant energy; adjust labels as per original but the correct option is the one with "nuclear energy")