astatine från engelska till svenska. Redfox Free är substantiv. A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.

Astatine is the least reactive of the halogens but just like the rest of them it combines with hydrogen to make hydrogen astatide which dissolves in water to make hydroastatic acid; it is just like a weaker version of hydrochloric acid. If you could ever isolate enough of this stuff astatine would be an even darker purple solid than iodine.

Symbol: Rn. Atomvikt: 222.0176. Upptäckt: Fredrich Ernst Dorn 1898 eller 1900 (Tyskland), Astatine is a chemical element with the symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements. Astatine Astatine is a chemical element with symbol At and atomic number 85. Classified as a halogen, Astatine is a solid at room temperature. Astatine. A radioactive halogen with the atomic symbol At, and atomic number 85.

Astatine symbol

Astate. Astato. Astaat. Astato. Symbol Tl. Atomic weight 203.7. / the chemical element of atomic number 81, a soft silvery-white metal that occurs naturally in small amounts in Astatine, astat, Element 124 (unbiquadium, Ubq) at the time of writing has not been discovered. Unbiquadium: physical properties.

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Element number 85 of the Periodic Table of the Elements - Chemistry - Magenta square frame with black background stock vector 130882484 from Depositphotos collection of millions of premium high-resolution stock photos, vector images and illustrations. Astatine is a chemical element with the symbol At and atomic number 85. Melting point 285.6°F (140.9°C).

Astatine (At), radioactive chemical element and the heaviest member of the halogen elements, or Group 17 (VIIa) of the periodic table. Astatine, which has no stable isotopes, was first synthetically produced (1940) at the University of California by American physicists Dale R. Corson, Kenneth R.

This element exhibits similar chemical properties that of the element iodine . Astatine Element Chemical element symbols of astatine and radon from the periodic table of the elements. Taken from public domain periodic table from nist.gov. Similar images of other elements are available for viewing in the Science Elements lightbox. astatine stock pictures, royalty-free photos & images Astatine is a radioactive chemical element with the chemical symbol At and atomic number 85.

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It occurs on Earth as the decay product of various heavier elements. Element Astatine (At), Group 17, Atomic Number 85, p-block, Mass [210]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

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Chemical symbol for Astatine is At. Number of protons in Astatine is 85. Atomic weight of Astatine is 210 u or g/mol. Melting point of Astatine is 302 °C and its the boiling point is 337 °C. Astatine is the 85th element of the periodic table with a symbol ‘At’. It is a radioactive element and is said to be the most heavier among the halogens. This element exhibits similar chemical properties that of the element iodine . Astatine Element Chemical element symbols of astatine and radon from the periodic table of the elements.