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a particular smoke detector contains 2.35 uCi of ^241Am, with a half-life of 458 years. the isotope is encased in a thin aluminum container. Calculate the mass of the ^241Am in grams in the detector.

Fears of radiation exposure from normal use of such detectors are largely unfounded. Identify reasons why ^241Am smoke detectors are perfectly safe.

1. The number of alpha particles leaving the case are low

2. The detector is housed in an aluminum case

3. The amount of americium is low

4. The detector has a plastic cover.

5. Ions get trapped by electrodes

6. The penetrating power of the alpha particles is limited.

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Chemistry, Academics

Category:- Chemistry
Reference No.:- M9469179

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