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Astatine - Planetary Bohr Model
Astatine - Lewis Dot Diagram

General Information

Symbol:At
Atomic Number:85
Atomic Weight: (Atomic Mass, Molar Mass)(210)
Group:17 (fluorine family)
VIIB (Old IUPAC), VIIA (CAS)
Period:6
Block:p

Physical Properties

Density: g/cm3
Atomic Volume: cm2/mole
Atomic Radius:1.45 angstroms
Covalent Radius:142 pm
Radioactive:Yes

States

Melting Point:302.0 °C
Boiling Point:337.0 °C
Heat Of Fusion:12.0 kJ/mole
Heat Of Vaporization:30.0 kJ/mole

Energy

Electronegativity:2.2 (Pauling Scale)
Electron Affinity:-270 kJ/mol
1st Ionization Energy:920 kJ/mol
Specific Heat Capacity: J g−1 K−1
Thermal Conductivity:1.7 W·m−1·K−1

Electrons & Oxidation

Oxidation States:
Electrons Per Shell:2 8 18 32 18 7
Electron Configuration:[Xe] 4f14 5d10 6s2 6p5
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p5
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p5

History

Discovered In:1940
Discovered By:Dale Corson, MacKenzie, Segre
Discovered At:California, USA
Word Origin:From the Greek word "astatos" meaning "unstable"

Translations

EnglishAstatine
DeutschAstat
LëtzebuergeschAstat
NederlandsAstaat
AfrikaansAstaat
FryskAstaat
DanskAstat
SvenskaAstat
NorskAstat
ÍslenskaAstat
FøroyskAstatan
LatinAstatium
FrançaisAstate
EspañolAstato
CatalanaÀstat
OccitanaAstat
PortuguêsAstato
GalegoAstato
ItalianoAstato
FurlanAstat
RomânAstatin (mo: Astatiniu)
MoldavianAstatin (mo: Astatiniu)
ArmãneashteAstatu
РусскийАстат(ин)
УкраїнскаАстат
byАстат
PolskaAstat
KaszëbscziAstat
ČechAstat
SlovenskýAstat
SlovenščinaAstat
HrvatskaAstat
СрпскиАстат
BosnianAstat
МакедонскиАстат
БългарскиАстатин
LietuviškaiAstatinas
LaoAstats
SudovianAstatinas
CymraegAstatin
Gaeilge na hÉireannAstaitín
Gàidhlig na hAstaitain
Gaelg VanninaghAstaçheen
CornishAstatyn
BrezhonegAstat
ΕλληνικήΑστατο
ShqipAstat
OssetianАстат(ин)
EuskeraAstatoa
Georgianასტატი
SuomiAstatiini
EestiAstaat
MagyarAsztácium
TürkçeAsatatin
KazakhАстатин
UzbekАстат
TajikAstat
MongolianАстат
日本語アスタチン [asutachin]
中国话
ไทยแอสทาทีน
VietnameseAstatin
Bahasa MelayuAstatin
العربيهاستاتين
Il-MaltiAstatin
עבריתאסטטין
EsperantoAstateno

Links


Misspellings: zstatine, sstatine, wstatine, qstatine, aatatine, aztatine, axtatine, adtatine, aetatine, awtatine, asratine, asfatine, asgatine, asyatine, as6atine, as5atine, astztine, aststine, astwtine, astqtine, astarine, astafine, astagine, astayine, asta6ine, asta5ine, astatune, astatjne, astatkne, astatone, astat9ne, astat8ne, astatibe, astatime, astatije, astatihe, astatinw, astatins, astatind, astatinr, astatin4, astatin3, statine, atatine, asatine, asttine, astaine, astatne, astatie, astatin, satatine, atsatine, asattine, asttaine, astaitne, astatnie, astatien, aastatine, asstatine, asttatine, astaatine, astattine, astatiine, astatinne, astatinee