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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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...
20 KB (2,291 words) - 15:33, 22 January 2024
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...
66 KB (10,740 words) - 14:06, 2 July 2024
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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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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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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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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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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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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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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thallium, but in the +1 state nihonium should behave more like silver and astatine than thallium. Preliminary experiments in 2017 showed that elemental nihonium...
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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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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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Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
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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...
74 KB (9,741 words) - 18:18, 7 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
130 KB (14,234 words) - 01:36, 4 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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in nature after all: technetium (element 43), promethium (element 61), astatine (element 85), neptunium (element 93), and plutonium (element 94). No element...
252 KB (27,193 words) - 09:33, 21 June 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
95 KB (10,270 words) - 15:42, 30 June 2024
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...
27 KB (2,406 words) - 17:07, 17 May 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
85 KB (10,615 words) - 14:02, 6 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
95 KB (10,852 words) - 04:01, 5 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
147 KB (16,233 words) - 04:07, 1 July 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
105 KB (12,215 words) - 21:54, 14 June 2024
Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium...
77 KB (8,504 words) - 00:52, 16 June 2024