How much does the element Polonium cost per gram - Answers

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Properties, sources and uses of oganesson, Element 118, formerly called ununoctium.

Polonium is a rare, silvery-gray, radioactive low-melting metalloid. Polonium readily reacts with dilute acids, but only slightly with alkalis. All of its isotopes are radioactive. 210 Po emits a blue glow, as the air around it is excited by the decay products. 1 gram of Po emits as many alpha particles as 5 kilograms of radium. The energy

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Polonium-210 Fact Sheet terabecquerel (TBq), for instance, is equal to 1 x 10 12 disintegrations per second. Polonium-210 has a very high specific activity—activity per unit mass—of about 166 TBq per gram (4,490 curies, Ci, per gram). In other words, it doesn’t take a large physical amount to be very radioactive. Plutonium-238 - Wikipedia Heat. One gram of 238 Pu corresponds to 1/238 mole, which is 2.53×10 21 plutonium atoms. Considering its half-life t 1/2 = 87.7 years, its activity is = = ⁡ =. A is the number of 238 Pu decays per second per gram (634 billion). Each of the emitted alpha particles has kinetic energy 5.593 MeV (8.961 × 10 −13 J), which is quickly converted to heat when the particle decelerates in the material. Polonium-210 Information Sheet someone to be poisoned with polonium-210, a big radiation dose would be needed—a dose not possible with naturally occurring polonium-210, but possible with man-made polonium-210. A median survival time of 20 days has been associated with a median dose of about 1.6 MBq (0.04 mCi; 0.0096 micrograms) per kilogram of polonium-210.