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Astatínì

Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
(Àtúnjúwe látiAstatine)
Chemical element with atomic number 85Àdàkọ:SHORTDESC:Chemical element with atomic number 85
Astatínì, 85At
Astatínì
Pípè/ˈæstətiːn,_ʔtɪn/ ​(AS-tə-teen-,_--tin)
Ìhànsójúblack solid (presumed)
nọ́mbà ìsújọ[210]
Astatínì ní orítábìlì àyè
HydrogenHelium
LithiumBerylliumBoronCarbonNitrogenOxygenFluorineNeon
SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon
PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromineKrypton
RubidiumStrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodineXenon
CaesiumBariumLanthanumCeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercury (element)ThalliumLeadBismuthPoloniumAstatineRadon
FranciumRadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessineOganesson
I
↑
At
↓
Ts
polonium ←astatínì →radon
Nọ́mbà átọ̀mù(Z)85
Ẹgbẹ́group 17 (halogens)
Àyèàyè 6
Àdìpọ̀Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Xe] 4f14 5d10 6s2 6p5
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 32, 18, 7
Àwọn ohun ìní ara
Ìfarahànat STPsolid
Ìgbà ìyọ́575 K ​(302 °C, ​576 °F)
Ígbà ìhó610 K ​(337 °C, ​639 °F)
Heat of40 kJ/mol
 pressure
P (Pa)1101001 k10 k100 k
at T (K)361392429475531607
Atomic properties
Oxidation states−1,+1, +3, +5, +7[1]
ElectronegativityPauling scale: 2.2
Covalent radius150 pm
Van der Waals radius202 pm
Other properties
Natural occurrencefrom decay
Thermal conductivity1.7 W/(m·K)
Magnetic orderingno data
CAS Number7440-68-8
Mainisotopes of astatínì
Iso­topeAbun­danceHalf-life(t1/2)Decay modePro­duct
210Atsyn8.1hε,β+3.981210Po
α5.631206Bi
211Atsyn7.2h
Àdàkọ:Category-inline
| references

Astatínì tabiAstatine jeapilese kemikaalagbararadio pelu ami-idamoAt atinomba atomu 85. Ohun eyi towuwojulo keji ninu awonhalojin. Botilejepe astatini nje mimuwaye nitoriijeraalagbararadio ninu adanida, nitori shortaabo emi kukuru re a le ri ni iye tintin. Astatini koko je mimuwaye latowoDale R. Corson,Kenneth Ross MacKenzie, atiEmilio Segrè ni 1940. Odun meta koja ki o to dipe ipase astatini bakanna je wiwari ninu awon alumoni aladanida. Titi di aipe opolopo awon iwuwa aladanida ati kemika astatini je nipa sise afiwe mo awon apilese miran. Melo ninu awon isotopu astatini nje lilo bi olufonsita iwonwo alpha ninu awon imulo sayensi, be sini adanwo awon imulo oniwosan fun astatini 211 ti sele. Lowolowo astatini ni apilese aladanida to sowonjulo pelu idiye bi 30g ni o wa ninu igbele Aye.[2]

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Itumosi

[àtúnṣe |àtúnṣe àmìọ̀rọ̀]
  1. ↑Àdàkọ:Greenwood&Earnshaw2nd
  2. ↑Close, Frank.Particle Physics: A Very Short Introduction. Oxford University Press: New York, 2004. Page 2.
 wò • if. • at. Tábìlì ìdásìkò
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