astatine


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astatine

 [as´tah-tēn]
a chemical element, atomic number 85, atomic weight 210, symbol At. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

as·ta·tine (At),

(as'tă-tēn),
An artificial radioactive element of the halogen series; atomic no. 85, atomic wt. 211.
[G. astatos, unstable]
Farlex Partner Medical Dictionary © Farlex 2012

as·ta·tine

(At) (as'tă-tēn)
An artificial radioactive element of the halogen series; atomic no. 85, atomic wt. 211.
[G. astatos, unstable]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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References in periodicals archive ?
With the discovery of astatine, only one gap remained in the entire periodic table from element number 1 (hydrogen) to element number 94 (plutonium), and that was element number 61.
74 W TUNGSTEN 85 AT ASTATINE 16 S SULPHUR 8 O OXYGEN 7 N NITROGEN HAROLD JACOBS
Susan Thorpe provided an additional three in 1995 (AsTaTiNe, CoPPEr, and TiN) [6], and in 2007 Antonio Joaquin Franco Mariscal brought the total to twelve with the addition of BiSmUTh and KrYPtON.
"A dozen elements can be spelled entirely in symbols from the Periodic Chart: ArSeNiC, AsTaTiNe, BiSmUTh, CARBON, CoPPEr, IRON, KrYPtON, NEON, PHOsPHORuS, SiLiCoN, TiN, and XeNoN."
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