Physics question 1 he 23

Physics
Tutor: None Selected Time limit: 1 Day

In what ways are fission and fusion reactions similar? 1. Both have critical masses. 2. Both require high temperatures. 3. Both involve the transformation of one or more elements into other elements. 4. Both need both heavy and light nuclei.

Jul 21st, 2015

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answer is 

3. Both involve the transformation of one or more elements into other elements



They are similar in the way that they release massive amount of energy, and that they involve changes in the nucleus of atoms. 

Fission is when large nuclei (higher than Iron on the periodic table) break into smaller nuclei, releasing energy. 

Fusion is when small nuclei (from hydrogen up to Iron on the periodic table) join together, releasing energy as they do so. 


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 21st, 2015

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