Chemistry, 05.12.2019 17:31 only1cache

Americium-241 is widely used in smoke detectors. the radiation released by this element ionizes particles that are then detected by a charged-particle collector. the half-life of 241am is 433 years, and it decays by emitting alpha particles. how many alpha particles are emitted each second by a 14.0-g sample of 241am?

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