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What particle is emitted when Pt-190 decays to Os-186?

Anonymous

∙ 13y ago

Updated: 5/27/2024

An alpha particle is emitted when Pt-190 decays to Os-186.

An alpha particle has a mass number of 4, and an atomic number of 2. When Pt-190 decays to Os-186, the mass number drops by 4, showing that an alpha particle is emitted, along with energy. The other form of particle that could be emitted is a beta particle, which has a mass number of 0. The difference between 190 and 186 is 4, thus showing the emission of an alpha particle.

Source: High School Chemistry class

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∙ 13y ago

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What is the most expensive metal in the world?

"Rhodium is the most expensive metal in the world. Some think platinum is but it is not." The above answer forgets to look at isotopes, and generalizes metals without taking into account the various rarities occurring within a particular chemical element. All elements, includingRhodium, have isotopes which possess properties valuable to industry, and the rarity of those isotopes increase the value of a metal over and above the most common isotope markets generally quote. Platinum occurs in stable isotopes 190, 192, 194, 195, 196, and 198. The rarest is isotope 190. PT190 makes up 0.014% of all naturally occurring platinum. Therefore, pure platinum 190 occurs at something around 1 part per 5-5.5 Trillion. This metal is so costly and so rare its value can only be estimated. The only estimate done to date for 1 gram of pure platinum 190 is $32 Million per gram. For people who want to know how much this is per troy oz. Convert $32,000,000(31.103) = $995,296,000.00 per troy ounce.

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What particle is emitted when Pt-190 decays to Os-186?

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