Astato (At)

chemical element with symbol At and atomic number 85

Atomic Number	85
Atomic Weight	210
Numero masico	191

Group	17
Period	6
Block	p

Protón	85 p⁺
Neutrón	106 n⁰
Electrón	85 e^-

Animated Modelo atomico de Bohr of At (Astato)

Physical Property

Radio Atomico	247 pm
molar volume
Radio covalent	147 pm 138 pm 138 pm 150 pm
Metallic Radius
Radio ionico	62 pm
Crystal Radius	76 pm
Radio de van der Waals	202 pm 251 pm 202 pm 475 pm
density	7 g/cm³

Chemical Property

enerchía

proton affinity
Afinidat electronica	2.8 eV/particle
ionization energy	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 1050 eV/particle 1120 eV/particle 1180 eV/particle 1250 eV/particle 1320 eV/particle 1380 eV/particle 1450 eV/particle 1510 eV/particle 1590 eV/particle 1650 eV/particle 1948 eV/particle 2007 eV/particle 2071 eV/particle 2139 eV/particle 2203 eV/particle 2266 eV/particle 2373 eV/particle 2439 eV/particle 2510 eV/particle 2576 eV/particle 2841 eV/particle 2905 eV/particle 2977 eV/particle 3042 eV/particle 3312 eV/particle 3388 eV/particle 3573 eV/particle 3649 eV/particle 5980 eV/particle 6122 eV/particle 6279 eV/particle 6445 eV/particle 6604 eV/particle 6759 eV/particle 7068 eV/particle 7230 eV/particle 7410 eV/particle 7570 eV/particle 8030 eV/particle 8180 eV/particle 8330 eV/particle 8480 eV/particle 9330 eV/particle 9500 eV/particle 9830 eV/particle 9990 eV/particle 21210 eV/particle 21600 eV/particle 22030 eV/particle 22420 eV/particle 25580 eV/particle 26080 eV/particle 26730 eV/particle 27139 eV/particle 107923.4 eV/particle 109886 eV/particle

Entalpía de vaporización
entalpía de fusión
standard enthalpy of formation
Electrón

electron shell	2, 8, 18, 32, 18, 7

valence electron	7 ⓘ

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

Numero d'oxidación	-1, 1, 3, 5, 7
Electronegatividat	14.1 eV/particle 0.19131 2.2
Electrophilicity Index	2.8161454412824063 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point
Melting Point	575.15 K
critical pressure
critical temperature
Punto triple
appearance
Color	Silver #ff1493 #754f45 #754f45
appearance	unknown, probably metallic
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
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

other

Gas Basicity
polarizability	42 ± 4 a₀
C6 Dispersion Coefficient	351 a₀
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	2P3/2
space group	()

Isotopes of Astatine

Stable Isotopes	0
Unstable Isotopes	39
Natural Isotopes	0

¹⁹¹At

Numero masico	191
neutron number	106
Relative Atomic Mass	191.004148081 ± 0.000017287 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	2.1 ± 0.8 ms
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2003
parity	+

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

¹⁹²At

Numero masico	192
neutron number	107
Relative Atomic Mass	192.003140912 ± 0.000029922 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	11.5 ± 0.6 ms
spin	3
nuclear quadrupole moment
time of discovery or invention	2006
parity	+

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

¹⁹³At

Numero masico	193
neutron number	108
Relative Atomic Mass	192.999927725 ± 0.000023222 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	29 ± 5 ms
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2003
parity	+

decay mode	intensity
α (α emission)	100%

¹⁹⁴At

Numero masico	194
neutron number	109
Relative Atomic Mass	193.999230816 ± 0.00002523 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	286 ± 7 ms
spin	5
nuclear quadrupole moment
time of discovery or invention	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

Numero masico	195
neutron number	110
Relative Atomic Mass	194.99627448 ± 0.000010276 Da
g-factor	3.2 ± 0.1
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	290 ± 20 ms
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1999
parity	+

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

¹⁹⁶At

Numero masico	196
neutron number	111
Relative Atomic Mass	195.995799034 ± 0.000032458 Da
g-factor	1.24 ± 0.046666666666667
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	377 ± 4 ms
spin	3
nuclear quadrupole moment	-0.6 ± 0.4
time of discovery or invention	1967
parity	+

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

¹⁹⁷At

Numero masico	197
neutron number	112
Relative Atomic Mass	196.993177353 ± 0.00000857 Da
g-factor	0.85111111111111 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	388.2 ± 5.6 ms
spin	9/2
nuclear quadrupole moment	-1.2 ± 0.6
time of discovery or invention	1967
parity	-

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

¹⁹⁸At

Numero masico	198
neutron number	113
Relative Atomic Mass	197.992797864 ± 0.000005265 Da
g-factor	1.34 ± 0.046666666666667
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	4.47 ± 0.05 s
spin	3
nuclear quadrupole moment	-0.6 ± 0.3
time of discovery or invention	1967
parity	+

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

¹⁹⁹At

Numero masico	199
neutron number	114
Relative Atomic Mass	198.990527715 ± 0.00000578 Da
g-factor	0.87555555555556 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	7.02 ± 0.12 s
spin	9/2
nuclear quadrupole moment	-1 ± 0.5
time of discovery or invention	1967
parity	-

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

²⁰⁰At

Numero masico	200
neutron number	115
Relative Atomic Mass	199.990351099 ± 0.000026264 Da
g-factor	1.4266666666667 ± 0.05
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	43.2 ± 0.9 s
spin	3
nuclear quadrupole moment	-0.5 ± 0.5
time of discovery or invention	1963
parity	+

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

²⁰¹At

Numero masico	201
neutron number	116
Relative Atomic Mass	200.988417058 ± 0.000008786 Da
g-factor	0.89111111111111 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	85.2 ± 1.6 s
spin	9/2
nuclear quadrupole moment	-1 ± 0.5
time of discovery or invention	1963
parity	-

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

²⁰²At

Numero masico	202
neutron number	117
Relative Atomic Mass	201.988625686 ± 0.000029631 Da
g-factor	1.38 ± 0.053333333333333
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	184 ± 1 s
spin	3
nuclear quadrupole moment	-0.5 ± 0.3
time of discovery or invention	1961
parity	+

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

²⁰³At

Numero masico	203
neutron number	118
Relative Atomic Mass	202.986942904 ± 0.000011404 Da
g-factor	0.88888888888889 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	7.4 ± 0.2 m
spin	9/2
nuclear quadrupole moment	-0.7 ± 0.4
time of discovery or invention	1951
parity	-

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

²⁰⁴At

Numero masico	204
neutron number	119
Relative Atomic Mass	203.987251393 ± 0.000024335 Da
g-factor	0.68857142857143 ± 0.025714285714286
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	9.12 ± 0.11 m
spin	7
nuclear quadrupole moment	-0.6 ± 0.3
time of discovery or invention	1961
parity	+

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

²⁰⁵At

Numero masico	205
neutron number	120
Relative Atomic Mass	204.986060546 ± 0.000012941 Da
g-factor	0.90888888888889 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	26.9 ± 0.8 m
spin	9/2
nuclear quadrupole moment	-0.6 ± 0.3
time of discovery or invention	1951
parity	-

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

²⁰⁶At

Numero masico	206
neutron number	121
Relative Atomic Mass	205.986645768 ± 0.000014523 Da
g-factor	0.72833333333333 ± 0.028333333333333
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	30.6 ± 0.8 m
spin	6
nuclear quadrupole moment	-0.4 ± 0.2
time of discovery or invention	1961
parity

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

²⁰⁷At

Numero masico	207
neutron number	122
Relative Atomic Mass	206.985799715 ± 0.000013318 Da
g-factor	0.91777777777778 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	1.81 ± 0.03 h
spin	9/2
nuclear quadrupole moment	-0.5 ± 0.3
time of discovery or invention	1951
parity	-

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

²⁰⁸At

Numero masico	208
neutron number	123
Relative Atomic Mass	207.986613011 ± 0.000009577 Da
g-factor	0.74333333333333 ± 0.03
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	1.63 ± 0.03 h
spin	6
nuclear quadrupole moment	-0.4 ± 0.3
time of discovery or invention	1950
parity	+

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

²⁰⁹At

Numero masico	209
neutron number	124
Relative Atomic Mass	208.986168701 ± 0.000005094 Da
g-factor	0.91555555555556 ± 0.015555555555556
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	5.42 ± 0.05 h
spin	9/2
nuclear quadrupole moment	-0.4 ± 0.2
time of discovery or invention	1951
parity	-

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

²¹⁰At

Numero masico	210
neutron number	125
Relative Atomic Mass	209.987147423 ± 0.000008261 Da
g-factor	0.944 ± 0.032
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	8.1 ± 0.4 h
spin	5
nuclear quadrupole moment	-0.4 ± 0.2
time of discovery or invention	1949
parity

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

²¹¹At

Numero masico	211
neutron number	126
Relative Atomic Mass	210.987496226 ± 0.000002929 Da
g-factor	0.92 ± 0.0088888888888889
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	7.214 ± 0.007 h
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1940
parity	-

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

²¹²At

Numero masico	212
neutron number	127
Relative Atomic Mass	211.990737301 ± 0.000002559 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	314 ± 3 ms
spin	1
nuclear quadrupole moment
time of discovery or invention	1954
parity	-

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

²¹³At

Numero masico	213
neutron number	128
Relative Atomic Mass	212.992936593 ± 0.000005258 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	125 ± 6 ns
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1968
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁴At

Numero masico	214
neutron number	129
Relative Atomic Mass	213.996372331 ± 0.000004274 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	558 ± 10 ns
spin	1
nuclear quadrupole moment
time of discovery or invention	1949
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁵At

Numero masico	215
neutron number	130
Relative Atomic Mass	214.998651002 ± 0.000007116 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	37 ± 3 us
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1944
parity	-

decay mode	intensity
α (α emission)	100%

²¹⁶At

Numero masico	216
neutron number	131
Relative Atomic Mass	216.002422643 ± 0.000003837 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	300 ± 30 us
spin	1
nuclear quadrupole moment
time of discovery or invention	1948
parity	-

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

²¹⁷At

Numero masico	217
neutron number	132
Relative Atomic Mass	217.004717794 ± 0.000005368 Da
g-factor	0.84444444444444 ± 0.044444444444444
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	32.6 ± 0.3 ms
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1947
parity	-

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

²¹⁸At

Numero masico	218
neutron number	133
Relative Atomic Mass	218.008695941 ± 0.000012349 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	1.28 ± 0.06 s
spin	2
nuclear quadrupole moment
time of discovery or invention	1943
parity	-

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

²¹⁹At

Numero masico	219
neutron number	134
Relative Atomic Mass	219.011160587 ± 0.000003474 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	56 ± 3 s
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1953
parity	-

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

²²⁰At

Numero masico	220
neutron number	135
Relative Atomic Mass	220.015433 ± 0.000015 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	3.71 ± 0.04 m
spin	3
nuclear quadrupole moment
time of discovery or invention	1989
parity	-

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

²²¹At

Numero masico	221
neutron number	136
Relative Atomic Mass	221.018017 ± 0.000015 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	2.3 ± 0.2 m
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1989
parity	-

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

²²²At

Numero masico	222
neutron number	137
Relative Atomic Mass	222.022494 ± 0.000017 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	54 ± 10 s
spin
nuclear quadrupole moment
time of discovery or invention	1989
parity

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

²²³At

Numero masico	223
neutron number	138
Relative Atomic Mass	223.025151 ± 0.000015 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	50 ± 7 s
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1989
parity	-

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

²²⁴At

Numero masico	224
neutron number	139
Relative Atomic Mass	224.029749 ± 0.000024 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	2.5 ± 1.5 m
spin	2
nuclear quadrupole moment
time of discovery or invention	2010
parity	+

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

²²⁵At

Numero masico	225
neutron number	140
Relative Atomic Mass	225.032528 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

²²⁶At

Numero masico	226
neutron number	141
Relative Atomic Mass	226.037209 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	2
nuclear quadrupole moment
time of discovery or invention	2010
parity	+

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

²²⁷At

Numero masico	227
neutron number	142
Relative Atomic Mass	227.040183 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

²²⁸At

Numero masico	228
neutron number	143
Relative Atomic Mass	228.04496 ± 0.000429 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	3
nuclear quadrupole moment
time of discovery or invention	2010
parity	+

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

²²⁹At

Numero masico	229
neutron number	144
Relative Atomic Mass	229.048191 ± 0.000429 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

historia

discoverer or inventor	D.R.Corson, K.R.MacKenzie, E.Segré
location of discovery	United States
time of discovery or invention	1940
Etimolochía	Greek: astatos (unstable).
pronunciation	AS-teh-teen (English)

source

Abundance
Abundance in Earth's crust
natural abundance (ocián)
natural abundance (human body)	0 %
natural abundance (meteoroid)	0 %
natural abundance (Sol)
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

Astato on ChemicalAid

Australian Educational Vocabulary ID	scot/1850
Brockhaus Enzyklopädie online ID	astat
CAS Registry Number	7440-68-8
ChEBI ID	30415
DSSTOX compound identifier	DTXCID40147882
DSSTox substance ID	DTXSID40225391
Den Store Danske ID	astat
Encyclopedia of China ID (Second Edition)	191040
Encyclopædia Universalis ID	astate
FAST ID	819270
Freebase ID	/m/027t9kn
GND ID	4143236-8
Gran Enciclopèdia Catalana ID	0005881
Great Russian Encyclopedia Online ID	1835401
InChI	InChI=1S/At
InChIKey	RYXHOMYVWAEKHL-UHFFFAOYSA-N
KBpedia ID	Astatine
Library of Congress authority ID	sh85008844
MeSH descriptor ID	D001246
Namuwiki ID	아스타틴
National Library of Israel J9U ID	987007294954905171
OmegaWiki Defined Meaning	155974
OpenAlex ID	C531082785
PSH ID	5815
PubChem CID	5460479
Quora topic ID	Astatine
Semantic Scholar topic ID	992086
Store norske leksikon ID	astat
Treccani ID	astato
USGS Thesaurus ID	1398
WordNet 3.1 Synset ID	14653739-n
YSO ID	28791

Astato (At)

Physical Property

Chemical Property

other

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

225At

226At

227At

228At

229At

historia

source

Nuclear Screening Constants

¹⁹¹At

¹⁹²At

¹⁹³At

¹⁹⁴At

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