Astatoa (At)

85 zenbaki atomikoa duen elementu kimikoa

Atomic Number	85
Atomic Weight	210
masa-zenbaki	191

Group	17
Period	6
Block	p

protoi	85 p⁺
neutroi	106 n⁰
elektroi	85 e^-

Animated Bohrren eredu atomikoa of At (Astatoa)

Propietate Fisiko

Erradio Atomiko	247 pm
bolumen molar
Erradio Kobalente	147 pm 138 pm 138 pm 150 pm
Metallic Radius
Erradio ioniko	62 pm
Crystal Radius	76 pm
Van der Waalsen erradio	202 pm 251 pm 202 pm 475 pm
dentsitatea	7 g/cm³

Magnitude Fisiko

energia

proton affinity
Afinitate elektroniko	2,8 eV/particle
ionizazio energia	9,31751 eV/particle 17,88 eV/particle 26,58 eV/particle 39,65 eV/particle 50,39 eV/particle 72 eV/particle 85,1 eV/particle 130,1 eV/particle 149 eV/particle 169 eV/particle 192,1 eV/particle 212 eV/particle 236 eV/particle 263 eV/particle 287 eV/particle 311 eV/particle 335 eV/particle 452 eV/particle 481 eV/particle 510 eV/particle 540 eV/particle 600 eV/particle 630 eV/particle 720 eV/particle 750 eV/particle 790 eV/particle 860 eV/particle 920 eV/particle 990 eV/particle 1.050 eV/particle 1.120 eV/particle 1.180 eV/particle 1.250 eV/particle 1.320 eV/particle 1.380 eV/particle 1.450 eV/particle 1.510 eV/particle 1.590 eV/particle 1.650 eV/particle 1.948 eV/particle 2.007 eV/particle 2.071 eV/particle 2.139 eV/particle 2.203 eV/particle 2.266 eV/particle 2.373 eV/particle 2.439 eV/particle 2.510 eV/particle 2.576 eV/particle 2.841 eV/particle 2.905 eV/particle 2.977 eV/particle 3.042 eV/particle 3.312 eV/particle 3.388 eV/particle 3.573 eV/particle 3.649 eV/particle 5.980 eV/particle 6.122 eV/particle 6.279 eV/particle 6.445 eV/particle 6.604 eV/particle 6.759 eV/particle 7.068 eV/particle 7.230 eV/particle 7.410 eV/particle 7.570 eV/particle 8.030 eV/particle 8.180 eV/particle 8.330 eV/particle 8.480 eV/particle 9.330 eV/particle 9.500 eV/particle 9.830 eV/particle 9.990 eV/particle 21.210 eV/particle 21.600 eV/particle 22.030 eV/particle 22.420 eV/particle 25.580 eV/particle 26.080 eV/particle 26.730 eV/particle 27.139 eV/particle 107.923,4 eV/particle 109.886 eV/particle

Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra
elektroi

elektroi geruza	2, 8, 18, 32, 18, 7

balentzia-elektroi	7 ⓘ

electron configuration	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁵

Oxidazio-egoera	-1, 1, 3, 5, 7
Elektronegatibotasun	14,1 eV/particle 0.19131 2.2
Electrophilicity Index	2,8161454412824063 eV/particle
materiaren funtsezko egoera

materiaren egoera	Solid
materiaren egoera gaseoso
Boiling Point
Melting Point	575,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Silver #ff1493 #754f45 #754f45
appearance	unknown, probably metallic
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
molar heat capacity
Specific Heat Capacity
indize adiabatiko
electrical properties
type
Eroankortasun elektriko
Erresistibitate elektriko
Supereroankortasun
Magnetismo
type
suszeptibilitate magnetiko (Mass)
suszeptibilitate magnetiko (Molar)
suszeptibilitate magnetiko (Volume)
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
classification
Category	Halogens, Halogens
CAS Group	VIIB
IUPAC Group	VIIA
Glawe Number	98
Mendeleev Number	110
Pettifor Number	96
Geochemical Class	U/Th decay series
Goldschmidt classification	synthetic

beste batzuk

Gas Basicity
polarizability	42 ± 4 a₀
C6 Dispersion Coefficient	351 a₀
allotrope
Neutron cross section
Neutron Mass Absorption
zenbaki kuantiko	2P3/2
talde espazial	()

Isotopes of Astatine

Stable Isotopes	0
Unstable Isotopes	39
Natural Isotopes	0

¹⁹¹At

masa-zenbaki	191
neutron number	106
Atomo-Masa Erlatibo	191,004148081 ± 0,000017287 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,1 ± 0,8 ms
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	2003
parity	+

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹²At

masa-zenbaki	192
neutron number	107
Atomo-Masa Erlatibo	192,003140912 ± 0,000029922 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	11,5 ± 0,6 ms
spin	3
nuclear quadrupole moment
aurkikuntza-data	2006
parity	+

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁺ SF (β⁺-delayed fission)	0.51%

¹⁹³At

masa-zenbaki	193
neutron number	108
Atomo-Masa Erlatibo	192,999927725 ± 0,000023222 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	29 ± 5 ms
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	2003
parity	+

decay mode	intensity
α (α emission)	100%

¹⁹⁴At

masa-zenbaki	194
neutron number	109
Atomo-Masa Erlatibo	193,999230816 ± 0,00002523 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	286 ± 7 ms
spin	5
nuclear quadrupole moment
aurkikuntza-data	2009
parity	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	8.3%
β⁺ SF (β⁺-delayed fission)	0.032%

¹⁹⁵At

masa-zenbaki	195
neutron number	110
Atomo-Masa Erlatibo	194,99627448 ± 0,000010276 Da
g-factor	3,2 ± 0,1
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	290 ± 20 ms
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1999
parity	+

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁶At

masa-zenbaki	196
neutron number	111
Atomo-Masa Erlatibo	195,995799034 ± 0,000032458 Da
g-factor	1,24 ± 0,046666666666667
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	377 ± 4 ms
spin	3
nuclear quadrupole moment	−0,6 ± 0,4
aurkikuntza-data	1967
parity	+

decay mode	intensity
α (α emission)	97.5%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁺ SF (β⁺-delayed fission)	0.009%

¹⁹⁷At

masa-zenbaki	197
neutron number	112
Atomo-Masa Erlatibo	196,993177353 ± 0,00000857 Da
g-factor	0,85111111111111 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	388,2 ± 5,6 ms
spin	9/2
nuclear quadrupole moment	−1,2 ± 0,6
aurkikuntza-data	1967
parity	-

decay mode	intensity
α (α emission)	96.1%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	3.9%

¹⁹⁸At

masa-zenbaki	198
neutron number	113
Atomo-Masa Erlatibo	197,992797864 ± 0,000005265 Da
g-factor	1,34 ± 0,046666666666667
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	4,47 ± 0,05 s
spin	3
nuclear quadrupole moment	−0,6 ± 0,3
aurkikuntza-data	1967
parity	+

decay mode	intensity
α (α emission)	97%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁹At

masa-zenbaki	199
neutron number	114
Atomo-Masa Erlatibo	198,990527715 ± 0,00000578 Da
g-factor	0,87555555555556 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	7,02 ± 0,12 s
spin	9/2
nuclear quadrupole moment	−1 ± 0,5
aurkikuntza-data	1967
parity	-

decay mode	intensity
α (α emission)	89%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰⁰At

masa-zenbaki	200
neutron number	115
Atomo-Masa Erlatibo	199,990351099 ± 0,000026264 Da
g-factor	1,4266666666667 ± 0,05
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	43,2 ± 0,9 s
spin	3
nuclear quadrupole moment	−0,5 ± 0,5
aurkikuntza-data	1963
parity	+

decay mode	intensity
α (α emission)	52%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	48%

²⁰¹At

masa-zenbaki	201
neutron number	116
Atomo-Masa Erlatibo	200,988417058 ± 0,000008786 Da
g-factor	0,89111111111111 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	85,2 ± 1,6 s
spin	9/2
nuclear quadrupole moment	−1 ± 0,5
aurkikuntza-data	1963
parity	-

decay mode	intensity
α (α emission)	71%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	29%

²⁰²At

masa-zenbaki	202
neutron number	117
Atomo-Masa Erlatibo	201,988625686 ± 0,000029631 Da
g-factor	1,38 ± 0,053333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	184 ± 1 s
spin	3
nuclear quadrupole moment	−0,5 ± 0,3
aurkikuntza-data	1961
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	88%
α (α emission)	12%

²⁰³At

masa-zenbaki	203
neutron number	118
Atomo-Masa Erlatibo	202,986942904 ± 0,000011404 Da
g-factor	0,88888888888889 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	7,4 ± 0,2 m
spin	9/2
nuclear quadrupole moment	−0,7 ± 0,4
aurkikuntza-data	1951
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	69%
α (α emission)	31%

²⁰⁴At

masa-zenbaki	204
neutron number	119
Atomo-Masa Erlatibo	203,987251393 ± 0,000024335 Da
g-factor	0,68857142857143 ± 0,025714285714286
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	9,12 ± 0,11 m
spin	7
nuclear quadrupole moment	−0,6 ± 0,3
aurkikuntza-data	1961
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	96.2%
α (α emission)	3.8%

²⁰⁵At

masa-zenbaki	205
neutron number	120
Atomo-Masa Erlatibo	204,986060546 ± 0,000012941 Da
g-factor	0,90888888888889 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	26,9 ± 0,8 m
spin	9/2
nuclear quadrupole moment	−0,6 ± 0,3
aurkikuntza-data	1951
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	90%
α (α emission)	10%

²⁰⁶At

masa-zenbaki	206
neutron number	121
Atomo-Masa Erlatibo	205,986645768 ± 0,000014523 Da
g-factor	0,72833333333333 ± 0,028333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	30,6 ± 0,8 m
spin	6
nuclear quadrupole moment	−0,4 ± 0,2
aurkikuntza-data	1961
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.1%
α (α emission)	0.9%

²⁰⁷At

masa-zenbaki	207
neutron number	122
Atomo-Masa Erlatibo	206,985799715 ± 0,000013318 Da
g-factor	0,91777777777778 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	1,81 ± 0,03 h
spin	9/2
nuclear quadrupole moment	−0,5 ± 0,3
aurkikuntza-data	1951
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	90%
α (α emission)	10%

²⁰⁸At

masa-zenbaki	208
neutron number	123
Atomo-Masa Erlatibo	207,986613011 ± 0,000009577 Da
g-factor	0,74333333333333 ± 0,03
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	1,63 ± 0,03 h
spin	6
nuclear quadrupole moment	−0,4 ± 0,3
aurkikuntza-data	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.45%
α (α emission)	0.55%

²⁰⁹At

masa-zenbaki	209
neutron number	124
Atomo-Masa Erlatibo	208,986168701 ± 0,000005094 Da
g-factor	0,91555555555556 ± 0,015555555555556
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	5,42 ± 0,05 h
spin	9/2
nuclear quadrupole moment	−0,4 ± 0,2
aurkikuntza-data	1951
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	96.1%
α (α emission)	3.9%

²¹⁰At

masa-zenbaki	210
neutron number	125
Atomo-Masa Erlatibo	209,987147423 ± 0,000008261 Da
g-factor	0,944 ± 0,032
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	8,1 ± 0,4 h
spin	5
nuclear quadrupole moment	−0,4 ± 0,2
aurkikuntza-data	1949
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.825%
α (α emission)	0.175%

²¹¹At

masa-zenbaki	211
neutron number	126
Atomo-Masa Erlatibo	210,987496226 ± 0,000002929 Da
g-factor	0,92 ± 0,0088888888888889
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	7,214 ± 0,007 h
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1940
parity	-

decay mode	intensity
ϵ (electron capture)	58.2%
α (α emission)	41.8%

²¹²At

masa-zenbaki	212
neutron number	127
Atomo-Masa Erlatibo	211,990737301 ± 0,000002559 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	314 ± 3 ms
spin	1
nuclear quadrupole moment
aurkikuntza-data	1954
parity	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
β⁻ (β⁻ decay)

²¹³At

masa-zenbaki	213
neutron number	128
Atomo-Masa Erlatibo	212,992936593 ± 0,000005258 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	125 ± 6 ns
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1968
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁴At

masa-zenbaki	214
neutron number	129
Atomo-Masa Erlatibo	213,996372331 ± 0,000004274 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	558 ± 10 ns
spin	1
nuclear quadrupole moment
aurkikuntza-data	1949
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁵At

masa-zenbaki	215
neutron number	130
Atomo-Masa Erlatibo	214,998651002 ± 0,000007116 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	37 ± 3 us
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1944
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁶At

masa-zenbaki	216
neutron number	131
Atomo-Masa Erlatibo	216,002422643 ± 0,000003837 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	300 ± 30 us
spin	1
nuclear quadrupole moment
aurkikuntza-data	1948
parity	-

decay mode	intensity
α (α emission)	100%
β⁻ (β⁻ decay)
ϵ (electron capture)

²¹⁷At

masa-zenbaki	217
neutron number	132
Atomo-Masa Erlatibo	217,004717794 ± 0,000005368 Da
g-factor	0,84444444444444 ± 0,044444444444444
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	32,6 ± 0,3 ms
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1947
parity	-

decay mode	intensity
α (α emission)	99.992%
β⁻ (β⁻ decay)	0.008%

²¹⁸At

masa-zenbaki	218
neutron number	133
Atomo-Masa Erlatibo	218,008695941 ± 0,000012349 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	1,28 ± 0,06 s
spin	2
nuclear quadrupole moment
aurkikuntza-data	1943
parity	-

decay mode	intensity
α (α emission)	100%
β⁻ (β⁻ decay)

²¹⁹At

masa-zenbaki	219
neutron number	134
Atomo-Masa Erlatibo	219,011160587 ± 0,000003474 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	56 ± 3 s
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1953
parity	-

decay mode	intensity
α (α emission)	93.6%
β⁻ (β⁻ decay)	6.4%

²²⁰At

masa-zenbaki	220
neutron number	135
Atomo-Masa Erlatibo	220,015433 ± 0,000015 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	3,71 ± 0,04 m
spin	3
nuclear quadrupole moment
aurkikuntza-data	1989
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	92%
α (α emission)	8%

²²¹At

masa-zenbaki	221
neutron number	136
Atomo-Masa Erlatibo	221,018017 ± 0,000015 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,3 ± 0,2 m
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1989
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²²At

masa-zenbaki	222
neutron number	137
Atomo-Masa Erlatibo	222,022494 ± 0,000017 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	54 ± 10 s
spin
nuclear quadrupole moment
aurkikuntza-data	1989
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²³At

masa-zenbaki	223
neutron number	138
Atomo-Masa Erlatibo	223,025151 ± 0,000015 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	50 ± 7 s
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1989
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
α (α emission)

²²⁴At

masa-zenbaki	224
neutron number	139
Atomo-Masa Erlatibo	224,029749 ± 0,000024 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,5 ± 1,5 m
spin	2
nuclear quadrupole moment
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁵At

masa-zenbaki	225
neutron number	140
Atomo-Masa Erlatibo	225,032528 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁶At

masa-zenbaki	226
neutron number	141
Atomo-Masa Erlatibo	226,037209 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	2
nuclear quadrupole moment
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁷At

masa-zenbaki	227
neutron number	142
Atomo-Masa Erlatibo	227,040183 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁸At

masa-zenbaki	228
neutron number	143
Atomo-Masa Erlatibo	228,04496 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3
nuclear quadrupole moment
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁹At

masa-zenbaki	229
neutron number	144
Atomo-Masa Erlatibo	229,048191 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

historia

aurkitzailea edo asmatzailea	D.R.Corson, K.R.MacKenzie, E.Segré
aurkikuntzaren lekua	United States
aurkikuntza-data	1940
etimologia	Greek: astatos (unstable).
pronunciation	AS-teh-teen (ingelesa)

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Abundance
Abundance in Earth's crust
natural abundance (ozeano)
natural abundance (gizakiaren gorputza)	0 %
natural abundance (Meteoroide)	0 %
natural abundance (Eguzkia)
Abundance in Universe	0 %

Nuclear Screening Constants

1	s	1.6446
2	p	4.5524
2	s	22.3324
3	d	13.4155
3	p	23.5024
3	s	24.6481
4	d	37.9504
4	f	37.7596
4	p	36.516
4	s	35.6644
5	d	58.661
5	p	53.96
5	s	52.0665
6	p	69.8368
6	s	67.7002

Astatoa on ChemicalAid

Astatoa (At)

Propietate Fisiko

Magnitude Fisiko

beste batzuk

Isotopes of Astatine

191At

192At

193At

194At

195At

196At

197At

198At

199At

200At

201At

202At

203At

204At

205At

206At

207At

208At

209At

210At

211At

212At

213At

214At

215At

216At

217At

218At

219At

220At

221At

222At

223At

224At

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226At

227At

228At

229At

historia

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Nuclear Screening Constants

¹⁹¹At

¹⁹²At

¹⁹³At

¹⁹⁴At

¹⁹⁵At

¹⁹⁶At

¹⁹⁷At

¹⁹⁸At

¹⁹⁹At

²⁰⁰At

²⁰¹At

²⁰²At

²⁰³At

²⁰⁴At

²⁰⁵At

²⁰⁶At

²⁰⁷At

²⁰⁸At

²⁰⁹At

²¹⁰At

²¹¹At

²¹²At

²¹³At

²¹⁴At

²¹⁵At

²¹⁶At

²¹⁷At

²¹⁸At

²¹⁹At

²²⁰At

²²¹At

²²²At

²²³At

²²⁴At

²²⁵At

²²⁶At

²²⁷At

²²⁸At

²²⁹At