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Ch 9 Nuclear Radiation
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Attempts at cold fusion have FAILED.

Hot fusion is difficult to contain

Slide 26

Learning Check

Learning Check

Indicate if each of the following are

Fission (2) fusion

Nucleus splits

Large amounts of energy released

Small nuclei form larger nuclei

Hydrogen nuclei react

Energy

Slide 27

Solution

Solution

Indicate if each of the following are

Fission (2) fusion

1 Nucleus splits

1 + 2 Large amounts of energy released

2 Small nuclei form larger nuclei

2 Hydrogen nuclei react

Slide 28

Uses & Effects

Uses & Effects

Radiation - treatment of cancer

Nuclear medicine - use of radioisotopes in diagnosis

Tracers small amounts of radioactive substances used as probes to study internal organs

Nuclear imaging medical techniques involving tracers

Food Irradiation

Food - irradiated with g rays from 60Co or 137Cs.

Irradiated milk - shelf life of 3 mo. w/o cooling.

USDA - approved irradiation of meats and eggs

Slide 29

Uses & Effects

Slide 30

Exposure Sources

Exposure Sources

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