Astatine is a chemical element; it has symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only...
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Astatine (85At) has 41 known isotopes, all of which are radioactive; their mass numbers range from 188 to 229 (though 189At is undiscovered). There are...
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Astatine compounds are compounds that contain the element astatine (At). As this element is very radioactive, few compounds have been studied. Less reactive...
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Hydrogen astatide (redirect from Astatine hydride)
as astatine hydride, astatane, astatidohydrogen or hydroastatic acid, is a chemical compound with the chemical formula HAt, consisting of an astatine atom...
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Interhalogen (redirect from Astatine monochloride)
more different halogen atoms (fluorine, chlorine, bromine, iodine, or astatine) and no atoms of elements from any other group. Most interhalogen compounds...
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Tennessine (redirect from Eka-Astatine)
of astatine would be 147 pm. With the seven outermost electrons removed, tennessine is finally smaller; 57 pm for tennessine and 61 pm for astatine. The...
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Astatine iodide is an interhalogen compound with the chemical formula AtI. It is the second heaviest known interhalogen compound, after iodine tribromide...
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second rarest naturally occurring element (after astatine). Francium's isotopes decay quickly into astatine, radium, and radon. The electronic structure of...
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chlorine (Cl), bromine (Br), iodine (I), and the radioactive elements astatine (At) and tennessine (Ts), though some authors would exclude tennessine...
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Astatine bromide is an interhalogen compound with the chemical formula AtBr. Astatine bromide is produced by the reaction of astatine with an aqueous...
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Period 6 element (section Astatine)
1019 years, polonium, astatine, and radon are some of the shortest-lived and rarest elements known; less than a gram of astatine is estimated to exist...
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Takahashi, N. (1982). "Estimation Chemical Form Boiling Point Elementary Astatine by Radio Gas Chromatography". Radiochimica Acta. 31 (3–4): 201–203. doi:10...
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arsenic, antimony, and tellurium are usually considered to be metalloids). Astatine, which is usually classified as a nonmetal or a metalloid, has been predicted...
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Ataxia–telangiectasia, an immunodeficiency disorder Athletic training Atrial tachycardia Astatine (symbol At), a chemical element Ampere-turn (symbol A t), an International...
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seaborgium-261m 92 astatine-215 100 astatine-216m 100 protactinium-218 113 lead-206m1 125 thorium-216m1 137 curium-248m 146 neptunium-219 150 astatine-212m2 152...
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physicist and Nobel laureate, who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was awarded...
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in nature after all: technetium (element 43), promethium (element 61), astatine (element 85), neptunium (element 93), and plutonium (element 94). No element...
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Sodium astatide (category Astatine compounds)
compound of sodium and astatine with the chemical formula NaAt. Sodium astatide solution has been prepared by distilling astatine from the bismuth alpha-ray...
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HX where X is one of the halogens: fluorine, chlorine, bromine, iodine, astatine, or tennessine. All known hydrogen halides are gases at standard temperature...
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Aleksandrovich (1970). Analytical chemistry of technetium, promethium, astatine and francium. Ann Arbor: Ann Arbor-Humphrey Science Publishers. p. 237...
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tetrahalides with all halogens except astatine and forms dihalides with all halogens except bromine and astatine. Germanium bonds to all natural single...
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208Po can be made through the proton bombardment of 209Bi in a cyclotron. Astatine can also be produced by bombarding 209Bi with alpha particles. Traces of...
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trace quantities: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number...
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Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
86 KB (10,663 words) - 22:57, 28 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
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benchmark, although it is not a metal. Borderline germanium, antimony, and astatine have been included. Some other elements in the middle of the 4d and 5d...
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Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
77 KB (8,474 words) - 11:22, 1 August 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
130 KB (14,230 words) - 18:18, 28 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
72 KB (7,979 words) - 08:18, 23 July 2024