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How is radioactivity useful and harmful?

In: Chemistry [Edit categories]

Answer:

such as Pt
used in treatment of cancer,but it is harmful because it emits radiation with high energy which destroy our body cells

Contributor:

Osama

First answer by Osama badr. Last edit by Osama badr. Contributor trust: 3 [recommend contributor ]. Question popularity: 1 [recommend question].

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How can radioactivity useful?
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Useful and harmful chemical reactions?
some useful ones are; cooking chips perming lotion making hair curly or straight Ozone in the upper atmosphere absorbing ultra-violet rays and changing them into normal oxygen. Harmful ones...
When do you know that a technology is harmful or useful?
Since it is almost always both - not until years later when most of the consequences become apparent.
What are the useful and harmful effects of electricity?
Electricity can shock you so then you could die.