astatine


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astatine

 [as´tah-tēn]
a chemical element, atomic number 85, atomic weight 210, symbol At. (See Appendix 6.)

as·ta·tine (At),

(as'tă-tēn),
An artificial radioactive element of the halogen series; atomic no. 85, atomic wt. 211.
[G. astatos, unstable]

astatine

/as·ta·tine/ (as´tah-tēn) a chemical element, at. no. 85, symbol At.

astatine (At)

Etymology: Gk, astasis, unsteady
a very unstable, radioactive element that occurs naturally in tiny amounts. Its atomic number is 85; the atomic mass of its longest lived isotope is 210.

as·ta·tine

(At) (as'tă-tēn)
An artificial radioactive element of the halogen series; atomic no. 85, atomic wt. 211.
[G. astatos, unstable]

astatine

a chemical element, atomic number 85, atomic weight 210, symbol At. See Table 6.
References in periodicals archive ?
hydrogen + xenon + barium + tantalum + boron + praseodymium + iridium + hassium + plutonium + thallium + germanium + scandium + thulium + einsteinium + erbium + cadmium + beryllium + tin + actinium + seaborgium + carbon + fluorine + indium + osmium + nitrogen + potassium + lead + protactinium + silicon + lutetium + rhenium + mercury + argon + neodymium + platinum + thorium lanthanum + oxygen + terbium + radon + samarium + dysprosium + iodine + bohrium + aluminium + chromium + palladium + tungsten + lithium + caesium + dubnium + meitnerium + niobium + ytterbium + gallium + arsenic + iron + sodium + nobelium + francium + astatine + strontium + copper + gadolinium + yttrium + selenium + curium + chlorine + promethium + gold + uranium + antimony
In conclusion, [1] CARBON, [2] NEON, [3] SiLiCoN, [4] PHOSPHORUS, [5] IRON, [6] CoBAIT, [7] COPPEr, [8] ArSeNiC, [9] KRYPTON, [10] TIN, [11] IODINe, [12] XENON, [13] BiSmUTh, [14] AsTaTiNe and [15] RADON are formed by other chemical symbols.
actinium + lead adminiculate W2 aluminum + gold aluminum gold W2 argon + caesium graminaceous W3 argon + tin ignorant W3 arsenic + lead calendarise Chambers arsenic + neon nonincrease W2 arsenic + tin carnitines W2 astatine + tin instantiate W3 boron + lead bandolero W2 calcium + iron Acroclinium W3, Alcicornium W3 carbon + lead Carbondale Random House Dict cesium + tin un-Semitic W2 germanium + tin mint geranium W3 gold + iron drooling W3 gold + tin dolting W2 indium + lead adlumidine W3 iron + lead Irondale Random House Dict lead + radium radium lead W2 lead + silver Silverdale Times Index-Gazetteer lead + tin landtie New Oxford Diet of English lead + uranium uranium lead W3 neon + silver nonservile W2 radon + tin ordinant W3 silver + tin silver tin Random House Dict