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Page 1: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

Nuclear Reactions

Fission and Fusion

Page 2: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FISSION

The splitting of an atomic nucleus into 2 smaller particles.Animation

http://www.visionlearning.com/en/library/Chemistry/1/Nuclear-Chemistry/59/reading
Page 3: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

All nuclei with 83 or more protons are unstable.

Page 4: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FISSION

Page 5: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation
Page 6: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

During fission tremendous amounts of ENERGY are produced from very small amounts of MASS.

Page 7: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

Chain ReactionNeutrons released during the

splitting of the first nucleus trigger many more nuclear fissions.

Page 8: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation
Page 9: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

Critical MassThe SMALLEST possible

mass of fissionable material that can sustain a chain reaction.

Page 10: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

Controlled reactions

Occur in nuclear power plants

Animation

http://www.visionlearning.com/en/library/Chemistry/1/Nuclear-Chemistry/59/reading
Page 11: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

Uncontrolled reactions

Occur in atomic bombs

Animation

http://www.visionlearning.com/en/library/Chemistry/1/Nuclear-Chemistry/59/reading
Page 12: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FUSIONThe process of COMBINING

two smaller nuclei into ONE

larger nucleus.

Page 13: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation
Page 14: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FUSION

Page 15: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

This process losses even more mass than FISSION, and therefore releases more ENERGY.

Page 16: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

At the present time, this means that very high temperatures are required for fusion to occur.

Animation

http://www.visionlearning.com/en/library/Chemistry/1/Nuclear-Chemistry/59/reading
Page 17: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation
Page 18: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

SIMILARITIES between fission and fusion Both are nuclear reactions (involve the

nuclei of atoms) Both convert a very small amount of mass

into an extremely large amount of

ENERGY.

Page 19: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

DIFFERENCESBETWEEN

FISSIONAND

FUSION

Page 20: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FISSION• Involves splitting atoms

(One becomes two)

• Is currently possible

Page 21: Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation

FUSIONInvolves fusing atoms (joining two and making one)

• Requires extremely high temperatures

• Not currently possible


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