Consider the following information: i. The layer of dead skin on our bodies is sufficient to protect
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i. The layer of dead skin on our bodies is sufficient to protect us from most α-particle radiation.
ii. Plutonium is an α-particle producer.
iii. The chemistry of Pu4+ is similar to that of Fe3+.
iv. Pu oxidizes readily to Pu4+.
Why is plutonium one of the most toxic substances known?
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