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Polonium isotopes

Polonium-210 is used in industry to make devices that remove static. This is useful for making tape, rolling paper, and spinning synthetic fibers, for example. It is also used to keep environments dust free, such as in the production of computer chips.

Polonium Facts, Symbol, Discovery, Uses, Poisoning

Polonium-210 - Wikipedi

WebElements Periodic Table » Polonium » isotope dat

Polonium-210 is an alpha emitter that has a half-life of 138.376 days. A milligram of 210Po emits as many alpha particles as 5 grams of radium. Polonium 210 is a radio isotope that is, basically, an.. They discovered polonium and then radium in 1898 in Paris, while investigating radioactivity in pitchblende (uranium oxide). Isotopes: Polonium has 29 isotopes whose half-lives are known, with mass numbers 190 to 218. None are stable. The most stable isotope is 209Po, with a half-life of 102 years.

Polonium-210: Effects, symptoms, and diagnosi

Francium (87Fr) has no stable isotopes. A standard atomic weight cannot be given. Its most stable isotope is 223Fr with a half-life of 22 minutes, occurring in trace quantities as an intermediate decay product of 235U.The element is also used as a lightweight heat source for thermoelectric power in satellites and other spacecraft. That's because polonium decays rapidly, and as it does, it releases a large amount of energy in the form of heat. Just a single gram of polonium will reach a temperature of 500 degrees C (932 degrees F) as it degrades, according to the Royal Society of Chemistry.

Isotopes of polonium — Wikipedia Republished // WIKI

NewsletterPolonium-210: Why is Po-210 so dangerous?Medically reviewed by Alana Biggers, MD, MPH on July 28, 2017 — Written by Markus MacGillWhat is Po-210?EffectsSymptomsTreatmentCurrent issuesPolonium-210 is the deadly poison that was used to kill the former Russian spy, Alexander Litvinenko, in London in 2006. He died of radiation sickness. Polonium is a metal found in uranium ore whose isotope polonium-210 is highly radioactive Polonium-210 is present in very small amounts in the soil and in the atmosphere but it does not.. Lichens are able to absorb polonium directly from the atmosphere. In northern areas, people who eat reindeer can have higher concentrations of polonium in their blood, because reindeer eat lichens, according to Smithsonian.com.Polonium was discovered by Marie Sklodowska Curie, a Polish chemist, in 1898. She obtained polonium from pitchblende, a material that contains uranium, after noticing that unrefined pitchblende was more radioactive than the uranium that was separated from it. She reasoned that pitchblende must contain at least one other radioactive element. Curie needed to refine several tons of pitchblende in order to obtain tiny amounts of polonium and radium, another radioactive element discovered by Curie. One ton of uranium ore contains only about 100 micrograms (0.0001 grams) of polonium. Polonium - most radioactive element uses of polonium, It is sometimes classified as a metalloid. Named after poland - Polonium. Learn in detail about polonium at Byju's

It is encountered in nature in the form of two isotopes (atoms with identical atomic numbers, but different mass numbers) - nitrogen with the mass numbers 14 and 15 The polonium isotopes (Z = 84) are important for understanding the transition across the proton shell closure of Z = 82. Although extensive studies have been performed on the neutron-decient isotopes.. Natural platinum (78Pt) occurs in five stable isotopes (192Pt, 194Pt, 195Pt, 196Pt, 198Pt) and one very long-lived (half-life 6.50×1011 years) radioisotope (190Pt). There are also 34 known artificial radioisotopes, the longest-lived of which is 193Pt with a half-life of 50 years. All other isotopes have half-lives under a year, most under a day.Naturally occurring rhodium (45Rh) is composed of only one stable isotope, 103Rh. The most stable radioisotopes are 101Rh with a half-life of 3.3 years, 102Rh with a half-life of 207 days, and 99Rh with a half-life of 16.1 days. Thirty other radioisotopes have been characterized with atomic weights ranging from 88.949 u (89Rh) to 121.943 u (122Rh). Most of these have half-lifes that are less than an hour except 100Rh and 105Rh. There are also numerous meta states with the most stable being 102mRh (0.141 MeV) with a half-life of about 3.7 years and 101mRh (0.157 MeV) with a half-life of 4.34 days.

Tantalum – Technetium – Tellurium – Tennessine – Terbium – Thallium – Thorium – Thulium – Tin – Titanium – Tungsten Both polonium and radium were more radioactive than uranium. Since these discoveries, many other radioactive elements have been discovered or produced

Polonium-210 chemical isotope Britannic

Next, depending on the dose, various body organs will be affected, including the bone marrow, the gastrointestinal system, and the cardiovascular and central nervous system (CNS). What is Polonium 210 (Po-210)? What are common uses of Polonium 210? Po-210 is used in some devices to eliminate static electricity in processes such as rolling paper, manufacturing sheet plastics.. Оригинал публикации: What is polonium-210 and how can it kill POLONIUM-210. Ex-KGB agent Alexander Litvinenko, 43, died after drinking green tea laced with polonium-210, a rare and potent radioactive isotope, at London's Millennium Hotel Thus polonium-210 (mass number 210 and atomic number 84, i.e., a nucleus with 84 protons) decays by alpha emission to lead-206 (atomic number 82).

Polonium has more than 30 isotopes, all of them radioactive and highly poisonous. The difficulty in measuring the particular Po-209 half-life arises from its scarcity in pure form, the long length of its.. Dimercaprol has been used to treat poisoning with the heavy metals mercury, gold, bismuth, antimony, thallium, and lead. It has been used with some success to chelate polonium. Her achievements included a theory of radioactivity, techniques for isolating radioactive isotopes , and the discovery of two elements , polonium and radium

We found one dictionary with English definitions that includes the word isotopes of polonium: Click on the first link on a line below to go directly to a page where isotopes of polonium is defined Krypton – Lanthanum – Lawrencium – Lead – Lithium – Livermorium – LutetiumActinium – Aluminum – Americium – Antimony – Argon – Arsenic – AstatineAs a weapon, it would be lethal. But it is also extremely difficult to obtain. When used in commercial devices, this is done in such a way that the polonium could not be separated for use as a poison.

Isotopes of polonium - WikiMili, The Free Encyclopedi

Polonium's most stable isotope, polonium-209, has a half-life of 102 years. Polonium-209 is available from Oak Ridge National Laboratory at the cost of about $3200 per microcurie Three isotopes of polonium are produced in nature, either by the decay of radon gas Polonium is harmful both through its chemical toxicity and its radioactivity. Polonium-210 is an alpha emitter

The Centers for Disease Control and Prevention (CDC) say that those using public water are not at risk. They advise people who are using well water, and whose water tests high for polonium-201, to process their water with a properly functioning reverse osmosis system before drinking it or using it for cooking or for animals.Polonium (Po) is a very rare and highly volatile radioactive metal. Before Polish-French physicist Marie Curie's discovery of polonium in 1898, uranium and thorium were the only known radioactive elements. Curie named polonium after her homeland, Poland.Litvinenko is alleged to have swallowed a fatal dose of Po-210 by drinking tea at a business meeting with two other Russians. Both were charged with his murder.

Video: Facts About Polonium Live Scienc

Appearance and Characteristics

Those isotopes are polonium-208, polonium-209, and polonium-210. Polonium-210 has a half-life* of 138 days, and it decays to stable lead-206 by emitting an alpha particle (an alpha par-ticle has.. Thus, polonium isotopes which result from the decay of naturally occurring thorium-232 should also produce characteristic haloes. In fact, according to Gentry's model, all polonium isotopes should be.. Even if someone did manage to acquire some polonium, it is not particularly dangerous to carry around, because its high-energy radiation can be blocked by a relatively thin barrier, such as a piece of paper.

Twenty five isotopes of polonium are known, with atomic masses ranging from 194 to 218. Polonium-210 is the most readily available. Isotopes of mass 209 (half-life 103 years) and mass 208.. Polonium (84Po) has 33 isotopes, all of which are radioactive, with between 186 and 227 nucleons. Po with a half-life of 138.376 days has the longest half-life of naturally occurring polonium Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically Pure radium is silvery-white alkaline earth metal. All isotopes of radium are highly radioactive, with.. When swallowed, it becomes concentrated in red blood cells, before spreading to the liver, kidneys, bone marrow, gastrointestinal tract, and the testicles or ovaries.Now, however, there is concern that new methods of oil and gas production, including “fracking” may lead to higher levels of Polonium-210 and other potentially hazardous products. The Environmental Protection Agency (EPA) is monitoring this.

There are seven stable isotopes of mercury (80Hg) with 202Hg being the most abundant (29.86%). The longest-lived radioisotopes are 194Hg with a half-life of 444 years, and 203Hg with a half-life of 46.612 days. Most of the remaining 40 radioisotopes have half-lives that are less than a day. 199Hg and 201Hg are the most often studied NMR-active nuclei, having spin quantum numbers of 1/2 and 3/2 respectively. Purified polonium is very volatile, and polonium isotopes are radioactive. The most common and Polonium-210 is present in small amounts in the human body, due to low levels in the normal.. This incident is thought to have exposed 700 people to radiation, although none became seriously ill. Some locations in London, including a restaurant and nightclub, were temporarily closed as a safety measure.

It's Elemental - The Element Polonium

Polonium Abundance and Isotopes

  1. <a href="https://www.chemicool.com/elements/polonium.html">Polonium Element Facts</a> To cite this page in an academic document, please use the following MLA compliant citation:
  2. discoveries/inventions: Polonium, Radium. Furthermore, it was through her relentless dedication and hard work that elements polonium and radium, as we know them today, were discovered
  3. Part of the uranium decay series. Three isotopes of polonium are produced in nature, either by the decay of radon gas itself or by the decay of atoms resulting from radon’s decay. Image by Tosaka.
  4. Hafnium – Hassium – Helium – Holmium – Hydrogen – Indium – Iodine – Iridium – Iron
  5. Polonium-210 210 Po is an alpha emitter that has a half-life of 138.376 days; it decays directly to its daughter isotope 206Pb. A milligram of 210Po emits as many alpha particles per second as 5 grams..
  6. The main difficulty with diagnosing polonium-210 poisoning is that it is so rare. No one would expect it. Some laboratories in the U.S. can carry out urine tests to assess for it.

Isotopes_of_poloniu

What is polonium-210? - BBC New

  1. Astatine (85At) has 39 known isotopes, all of which are radioactive; the range of their mass numbers is from 191 to 229. There also exist 23 metastable excited states. The longest-lived isotope is 210At, which has a half-life of 8.1 hours; the longest-lived isotope existing in naturally occurring decay chains is 219At with a half-life of 56 seconds.
  2. A 2011 study published in the journal Nicotine & Tobacco Research found that tobacco companies have been aware that cigarettes and other tobacco-containing products contain low levels of polonium. The study's authors calculated that the radioactivity from polonium in cigarettes is responsible for up to 138 deaths for every 1,000 smokers over a period of 25 years.
  3. Radioactive polonium foil is used in antistatic brushes as an electron source. The foil is silver with a thin plating of polonium, and an even thinner plating of gold over that
  4. Magnesium – Manganese – Meitnerium – Mendelevium – Mercury – Molybdenum – Moscovium
  5. First in the world game with remote controlled robots. Play from any part of the world on our polygon with an area of 210 square meters. interesting adventures in a closed area Chernobyl waiting for you..
  6. ate static electricity produced during processes such as rolling paper, wire, and sheet metal. However, beta ray sources are more commonly used as they are less dangerous.

Polonium-210 is an isotope of the element polonium, and it's highly radioactive. In trace amounts, it seems to be fairly harmless: It occurs naturally in the environment in uranium ore.. They wrote: “We believe the substance we have extracted from pitchblende contains a metal never known before, similar to bismuth in its analytic properties. If the existence of this new metal is confirmed, we suggest that it should be called polonium after the name of the country of origin of one of us.” Naturally occurring vanadium (23V) is composed of one stable isotope 51V and one radioactive isotope 50V with a half-life of 1.5×1017 years. 24 artificial radioisotopes have been characterized (in the range of mass number between 40 and 65) with the most stable being 49V with a half-life of 330 days, and 48V with a half-life of 15.9735 days. All of the remaining radioactive isotopes have half-lives shorter than an hour, the majority of them below 10 seconds, the least stable being 42V with a half-life shorter than 55 nanoseconds, with all of the isotopes lighter than it, and none of the heavier, have unknown half-lives. In 4 isotopes, metastable excited states were found (including 2 metastable states for 60V), which adds up to 5 meta states.

Additional recommended knowledge

Polonium (84Po) has 42 isotopes, all of which are radioactive, with between 186 and 227 nucleons. 210Po with a half-life of 138.376 days has the longest half-life of naturally occurring polonium. 209Po, with a half-life of 125 years, has the longest half-life of all isotopes of polonium If Paulie Walnuts rolls, he faces the threat of #polonium tea, courtesy of Putin & pals. If he stands trial, Mueller will prosecute him for everything but breathing, and he will rot in a cell for the rest of his life Isotopes of polonium — Polonium (Po) has 33 known isotopes, all of which are radioactive. They have atomic masses that range from 188u to 220u. 210Po is the most widely available Stable isotope (none) Relative atomic mass Mole fraction Polonium isotopes in industry 210 Po is 210Po can be used to manufacture atomic weapons. When combined with beryllium, polonium can.. Polonium -210, this unstable isotope of Polonium (named after Poland) is an alpha emitter with a half life of 138.376 days, it decays into Pb. The radioactive element polonium has an isotope 21084Po

Isotopes of Polonium

Polonium has 42 isotopes, all of which are radioactive, with between 186 and 227 nucleons. 210Po with a half-life of 138.376 days has the longest half-life of naturally occurring polonium There are 33 known isotopes (atoms of the same element with a different number of neutrons) of polonium, and all are radioactive. This element's radioactive instability is what makes it a fitting candidate for use in atomic bombs. The amount of polonium to be obtained from an uranium mineral can be simply calculated. Some problems of science could not have been solved without isotopes. The type of catalyst to be used..

History of the Atomic Structure- 4B Chemistry timeline

Isotopes of polonium occurring within the radioactive disintegration chains of actinium, radium and thorium were known as: In its natural state, at room temperature, polonium is a solid metal with a silver color. Polonium-210 is one of 25 known radioactive isotopes of polonium.Polonium is a chemical element with the symbol Po and atomic number 84. A rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Due to the short half-life of all its isotopes, its natural occurrence is limited to tiny traces of the fleeting polonium-210 in uranium ores, as it is the penultimate daughter of natural uranium-238. Though slightly longer-lived isotopes exist, they are much more difficult to produce. Today, polonium is usually produced in milligram quantities by the neutron irradiation of bismuth. Due to its intense radioactivity, which results in the radiolysis of chemical bonds and radioactive self-heating, its chemistry has mostly been investigated on the trace scale only.

Polonium is located in Group 16 and period 6 in the periodic table of elements. It's classified as a metal because polonium's electrical conductivity decreases as its temperature rises, according to the Royal Society of Chemistry.The two noticed that the unrefined pitchblende was more radioactive than the uranium that had been separated from it. So, they reasoned that the pitchblende must be harboring at least one other radioactive element.

Polonium - Element information, properties and uses Periodic Tabl

  1. ent conta
  2. Isotopes have the same chemical properties but different physical properties. 15.6 million years. These radioactive isotopes have a lot of applications today, ranging from medicine to atomic energy
  3. istration (FDA) found that levels of the substance in milk were not enough to worry about.
  4. Other articles where Polonium-210 is discussed: alpha decay: Thus polonium-210 (mass number 210 and atomic number 84, i.e., a nucleus with 84 protons) decays by alpha emission to lead-206 (atomic..

Naturally occurring terbium (65Tb) is composed of 1 stable isotope, 159Tb. Thirty-six radioisotopes have been characterized, with the most stable being 158Tb with a half-life of 180 years, 157Tb with a half-life of 71 years, and 160Tb with a half-life of 72.3 days. All of the remaining radioactive isotopes have half-lives that are less than 6.907 days, and the majority of these have half-lives that are less than 24 seconds. This element also has 27 meta states, with the most stable being 156m1Tb, 154m2Tb and 154m1Tb. Латинское название. Polonium Damage to DNA from the alpha particle radiation can cause apoptosis, or “cell suicide.” Even low-level DNA damage can cause genetic changes that affect the cells’ ability to reproduce.

Polonium Facts, Symbol, Discovery, Uses, Poisonin

  1. Polonium is a highly radioactive heavy metal. It is arguably the most lethal known material. Polonium is element 84 in the periodic table, and all of its isotopes are radioactive
  2. e
  3. A combination of polonium and beryllium, another rare element, acted as the bomb's initiator, according to the Atomic Heritage Foundation.
  4. The bismuth isotope, decays into the polonium isotope by. A.emitting an electron. When a nucleus of the copper isotope emits a positron, it becomes
Polonium - Assignment Point

Isotopes of polonium - Wikiwan

Those isotopes are polonium-208, polonium-209, and polonium-210. Polonium-210 has a half-life * of 138 days, and it decays to stable lead-206 by emitting an alpha particle (an alpha particle has.. In 2007, concerns were raised in the United States (U.S.), about Polonium-210 levels in ground water in Fallon, in the Lahontan Valley, NV. Polonium is a very rare natural element. Before the advent of nuclear reactors, the only source of polonium was uranium ore but that did not prevent its being separated and used in anti-static devices Isotopes of polonium Polonium (Po) has 25 known isotopes, all of which are radioactive. They have atomic masses that range from 194u to 218u. 210Po is the most The first person to die of polonium poisoning may have been Marie Curie's daughter Irène Joliot-Curie. In 1946, a polonium capsule exploded on her lab bench which may have been the reason she contracted leukemia and died 10 years later, according to Smithsonian.com.

"Polonium." Chemicool Periodic Table. Chemicool.com. 08 Oct. 2012. Web. <https://www.chemicool.com/elements/polonium.html>. Comments Hagen B says All polonium isotopes are radioactive, with only three. having appreciable half-lives Polonium-210, historically called radium F, is the predominant naturally occurring isotope of polonium and the Category:Isotopes of polonium. From Wikipedia, the free encyclopedia. Jump to navigation Jump to search The energy released by polonium’s alpha decay is considerable and heats the space around it. The energy released is so large (140 W/g) that a capsule containing about half a gram reaches a temperature above 500 °C.

Polonium Po (Element) - PubChe

Together with P. Curie (1898) discovered the chemical elements of polonium and radium She determined the decay constants of several radioactive elements and studied the properties of isotopes ChEBI: The radioactive isotope of polonium with relative atomic mass 209.98286 and half-life of 138.376 days; the only naturally occurring isotope of polonium

Indium (49In) consists of two primordial nuclides, with the most common (~ 95.7%) nuclide (115In) being measurably though weakly radioactive. Its spin-forbidden decay has a half life of 4.41×1014 years.Due to its scarcity, polonium is usually produced by bombarding bismuth-209 with neutrons in a nuclear reactor. This forms bismuth-210, which has a half-life of 5 days. Bismuth-210 decays into polonium-210 through beta decay. Milligram amounts of polonium-210 have been produced by this method.Naturally occurring lanthanum (57La) is composed of one stable (139La) and one radioactive (138La) isotope, with the stable isotope, 139La, being the most abundant (99.91% natural abundance). There are 38 radioisotopes that have been characterized, with the most stable being 138La, with a half-life of 1.02×1011 years; 137La, with a half-life of 60,000 years and 140La, with a half-life of 1.6781 days. The remaining radioactive isotopes have half-lives that are less than a day and the majority of these have half-lives that are less than 1 minute. This element also has 12 nuclear isomers, the longest-lived of which is 132mLa, with a half-life of 24.3 minutes.

The dangers of working with radioactive elements were not known when the Curies made their discoveries. Their laboratory notebooks from this time are so radioactive that they are now stored in a lead-lined case. (1) Copyright © 2020 chemicool.com Chemistry Dictionary | Tools | Periodic Table | Citing Chemicool | About | Privacy | Contact

Chelating agents such as dimercaprol and penicillamine have been used in animal research and some human subjects. Chelation is used to treat poisoning with heavy metals as the chelating agent can bind to the metal and prevent its absorption, leading to its elimination from the body.There are very low levels of polonium-210 in the environment, and it enters our bodies through the food chain, for example, when eating seafood. This isotope occurs naturally and its nuclear decay process emits more energy. These fuel rods are placed in water and the water heats up due to the ionizing energy emitted by the nuclear decay.. Instead, polonium is obtained by bombarding bismuth-209 (a stable isotope) with neutrons in a nuclear reactor. This creates radioactive bismuth-210, which then decays into polonium through a process called beta decay, according to the Royal Society of Chemistry.

Polonium is sold in tiny quantities. You'd have to order 15,000 units of the substance just to be able This is because physicians would have to suspect involvement of the radioactive isotope in order to.. Because polonium's radioactivity is so high, says Prof. Zimmerman, one millicurie of polonium United Nuclear Scientific Supplies distributes radio-isotopes over the Internet, including polonium-210 There are 37 known isotopes of radon (86Rn) from 195Rn to 231Rn; all are radioactive. The most stable isotope is 222Rn with a half-life of 3.823 days, which decays into 218Po. Five isotopes of radon, 217, 218, 219, 220, 222Rn occur in trace quantities in nature as decay products of, respectively, 217At, 218At, 223Ra, 224Ra, and 226Ra. 217Rn is produced in a rare branch in the decay chain of trace quantities of 237Np, 218Rn and 222Rn are intermediate steps in the decay chain for 238U, with 219Rn an intermediate step in the decay chain for 235U, and 220Rn occurring in the decay chain for 232Th.210Po is an alpha emitter that has a half-life of 138.376 days; it decays directly to its daughter isotope 206Pb. A milligram of 210Po emits as many alpha particles per second as 4.215 grams of 226Ra. A few curies (1 curie equals 37 gigabecquerels) of 210Po emit a blue glow which is caused by excitation of surrounding air. A single gram of 210Po generates 140 watts of power.[1] Because it emits many alpha particles, which are stopped within a very short distance in dense media and release their energy, 210Po has been used as a lightweight heat source to power thermoelectric cells in artificial satellites; for instance, 210Po heat source was also used in each of the Lunokhod rovers deployed on the surface of the Moon, to keep their internal components warm during the lunar nights.[2] Some anti-static brushes contain up to 500 microcuries of 210Po as a source of charged particles for neutralizing static electricity in materials like photographic film.[3]

Polonium has no stable isotopes and is only found in nature in trace amounts as a radioactive decay product in some radioactive minerals Polonium. Атомное число. 84

Isotopes of polonium - Infogalactic: the planetary knowledge cor

Poisoning was also suspected in the 2004 death of the Palestinian leader Yasser Arafat, as surprisingly high levels of polonium-210 were detected on his clothes, according to The Wall Street Journal. Description: Polonium is a radioactive element that is long-lived. Where It's Used: Polonium is used as an Where It's Used: The most stable isotope of francium, francium-223, has a half-life of 22 minutes The chemical element polonium is classed as a chalcogen and a metalloid. It was discovered in 1898 by Marie and Pierre Curie. Polonium (Po) is a very rare and highly volatile radioactive metal. Before Polish-French physicist There are 33 known isotopes (atoms of the same element with a different number of neutrons) of..

Isotopes of polonium - YouTub

polonium-210 (uncountable). (physics) A radioactive isotope of polonium, 21084Po, having a half-life of 140 days; it as used as a reference alpha emitter in the calibration of radiation counters What is polonium (element 84), is it a metal or metalloid, electron configuration, family, isotopes, half-life, common uses, how much is it Polonium Poisoning. Interesting Facts. How Much Does It Cost

Polonium-210 is present in small amounts in the human body, due to low levels in the normal environment and the food chain, especially in seafood. Tobacco smokers have more polonium-210 because smoking causes it to accumulates in the lungs.After these acute symptoms, the patient may appear to recover, but bone marrow damage will continue, resulting in lower white blood cell and platelet counts.Purified polonium is very volatile, and polonium isotopes are radioactive. The most common and best-known polonium isotope is polonium-210.

Contents What is Polonium Polonium - Properties Note that, each element may contain more isotopes, therefore this resulting atomic mass is.. translation and definition isotope of polonium, English-Russian Dictionary online. en The probabilities ofK-shell ionization of lead and polonium atoms by the alpha-decay of the210,218.. The United States Nuclear Regulatory Commission estimates that only around 100 grams (3.5 ounces) of polonium-210 is produced worldwide each year. Polonium-210 is the highly dangerous element used to murder Discovered by Marie Curie in 1898, Polonium-210 is one of 20 known radioactive isotopes of the element, according to Chemistry World In commercial applications, polonium is occasionally used to remove static electricity in machinery or dust from photographic film. It can also be used as a lightweight heat source for thermoelectric power in space satellites.

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