Astatin (At)

chemical element with symbol At and atomic number 85

Atomic Number	85
Atomic Weight	210
Nombor jisim	191

Group	17
Period	6
Block	p

proton	85 p⁺
neutron	106 n⁰
Elektron	85 e^-

Sifat Fizikal

Jejari Atom	247 pm
molar volume
Jejari kovalen	147 pm 138 pm 138 pm 150 pm
Metallic Radius
ionic radius	62 pm
Crystal Radius	76 pm
Jejari van der Waals	202 pm 251 pm 202 pm 475 pm
ketumpatan	7 g/cm³

Sifat Kimia

tenaga

proton affinity
Pertalian elektron	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 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

Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation
Elektron

Petala elektron	2, 8, 18, 32, 18, 7

Elektron valens	7 ⓘ

tatarajah elektron	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁵

Keadaan pengoksidaan	-1, 1, 3, 5, 7
Keelektronegatifan	14.1 eV/particle 0.19131 2.2
Electrophilicity Index	2.8161454412824063 eV/particle
keadaan jirim asas

fasa jirim	Solid
gaseous state of matter
Boiling Point
Melting Point	575.15 K
critical pressure
critical temperature
triple point
rupa
warna	Silver #ff1493 #754f45 #754f45
rupa	unknown, probably metallic
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
pengelasan
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
Nombor kuantum	2P3/2
space group	()

Isotopes of Astatine

Stable Isotopes	0
Unstable Isotopes	39
Natural Isotopes	0

¹⁹¹At

Nombor jisim	191
nombor neutron	106
Jisim Atom Relatif	191.004148081 ± 0.000017287 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.1 ± 0.8 ms
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2003
parity	+

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

¹⁹²At

Nombor jisim	192
nombor neutron	107
Jisim Atom Relatif	192.003140912 ± 0.000029922 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	11.5 ± 0.6 ms
Spin	3
nuclear quadrupole moment
tarikh penemuan	2006
parity	+

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

¹⁹³At

Nombor jisim	193
nombor neutron	108
Jisim Atom Relatif	192.999927725 ± 0.000023222 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	29 ± 5 ms
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2003
parity	+

decay mode	Keamatan (fizik)
α (α emission)	100%

¹⁹⁴At

Nombor jisim	194
nombor neutron	109
Jisim Atom Relatif	193.999230816 ± 0.00002523 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	286 ± 7 ms
Spin	5
nuclear quadrupole moment
tarikh penemuan	2009
parity	-

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

¹⁹⁵At

Nombor jisim	195
nombor neutron	110
Jisim Atom Relatif	194.99627448 ± 0.000010276 Da
g-factor	3.2 ± 0.1
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	290 ± 20 ms
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	1999
parity	+

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

¹⁹⁶At

Nombor jisim	196
nombor neutron	111
Jisim Atom Relatif	195.995799034 ± 0.000032458 Da
g-factor	1.24 ± 0.046666666666667
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	377 ± 4 ms
Spin	3
nuclear quadrupole moment	-0.6 ± 0.4
tarikh penemuan	1967
parity	+

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

¹⁹⁷At

Nombor jisim	197
nombor neutron	112
Jisim Atom Relatif	196.993177353 ± 0.00000857 Da
g-factor	0.85111111111111 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	388.2 ± 5.6 ms
Spin	9/2
nuclear quadrupole moment	-1.2 ± 0.6
tarikh penemuan	1967
parity	-

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

¹⁹⁸At

Nombor jisim	198
nombor neutron	113
Jisim Atom Relatif	197.992797864 ± 0.000005265 Da
g-factor	1.34 ± 0.046666666666667
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.47 ± 0.05 s
Spin	3
nuclear quadrupole moment	-0.6 ± 0.3
tarikh penemuan	1967
parity	+

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

¹⁹⁹At

Nombor jisim	199
nombor neutron	114
Jisim Atom Relatif	198.990527715 ± 0.00000578 Da
g-factor	0.87555555555556 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	7.02 ± 0.12 s
Spin	9/2
nuclear quadrupole moment	-1 ± 0.5
tarikh penemuan	1967
parity	-

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

²⁰⁰At

Nombor jisim	200
nombor neutron	115
Jisim Atom Relatif	199.990351099 ± 0.000026264 Da
g-factor	1.4266666666667 ± 0.05
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	43.2 ± 0.9 s
Spin	3
nuclear quadrupole moment	-0.5 ± 0.5
tarikh penemuan	1963
parity	+

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

²⁰¹At

Nombor jisim	201
nombor neutron	116
Jisim Atom Relatif	200.988417058 ± 0.000008786 Da
g-factor	0.89111111111111 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	85.2 ± 1.6 s
Spin	9/2
nuclear quadrupole moment	-1 ± 0.5
tarikh penemuan	1963
parity	-

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

²⁰²At

Nombor jisim	202
nombor neutron	117
Jisim Atom Relatif	201.988625686 ± 0.000029631 Da
g-factor	1.38 ± 0.053333333333333
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	184 ± 1 s
Spin	3
nuclear quadrupole moment	-0.5 ± 0.3
tarikh penemuan	1961
parity	+

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

²⁰³At

Nombor jisim	203
nombor neutron	118
Jisim Atom Relatif	202.986942904 ± 0.000011404 Da
g-factor	0.88888888888889 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	7.4 ± 0.2 m
Spin	9/2
nuclear quadrupole moment	-0.7 ± 0.4
tarikh penemuan	1951
parity	-

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

²⁰⁴At

Nombor jisim	204
nombor neutron	119
Jisim Atom Relatif	203.987251393 ± 0.000024335 Da
g-factor	0.68857142857143 ± 0.025714285714286
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	9.12 ± 0.11 m
Spin	7
nuclear quadrupole moment	-0.6 ± 0.3
tarikh penemuan	1961
parity	+

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

²⁰⁵At

Nombor jisim	205
nombor neutron	120
Jisim Atom Relatif	204.986060546 ± 0.000012941 Da
g-factor	0.90888888888889 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	26.9 ± 0.8 m
Spin	9/2
nuclear quadrupole moment	-0.6 ± 0.3
tarikh penemuan	1951
parity	-

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

²⁰⁶At

Nombor jisim	206
nombor neutron	121
Jisim Atom Relatif	205.986645768 ± 0.000014523 Da
g-factor	0.72833333333333 ± 0.028333333333333
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	30.6 ± 0.8 m
Spin	6
nuclear quadrupole moment	-0.4 ± 0.2
tarikh penemuan	1961
parity

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

²⁰⁷At

Nombor jisim	207
nombor neutron	122
Jisim Atom Relatif	206.985799715 ± 0.000013318 Da
g-factor	0.91777777777778 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.81 ± 0.03 h
Spin	9/2
nuclear quadrupole moment	-0.5 ± 0.3
tarikh penemuan	1951
parity	-

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

²⁰⁸At

Nombor jisim	208
nombor neutron	123
Jisim Atom Relatif	207.986613011 ± 0.000009577 Da
g-factor	0.74333333333333 ± 0.03
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.63 ± 0.03 h
Spin	6
nuclear quadrupole moment	-0.4 ± 0.3
tarikh penemuan	1950
parity	+

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

²⁰⁹At

Nombor jisim	209
nombor neutron	124
Jisim Atom Relatif	208.986168701 ± 0.000005094 Da
g-factor	0.91555555555556 ± 0.015555555555556
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	5.42 ± 0.05 h
Spin	9/2
nuclear quadrupole moment	-0.4 ± 0.2
tarikh penemuan	1951
parity	-

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

²¹⁰At

Nombor jisim	210
nombor neutron	125
Jisim Atom Relatif	209.987147423 ± 0.000008261 Da
g-factor	0.944 ± 0.032
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	8.1 ± 0.4 h
Spin	5
nuclear quadrupole moment	-0.4 ± 0.2
tarikh penemuan	1949
parity

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

²¹¹At

Nombor jisim	211
nombor neutron	126
Jisim Atom Relatif	210.987496226 ± 0.000002929 Da
g-factor	0.92 ± 0.0088888888888889
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	7.214 ± 0.007 h
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1940
parity	-

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

²¹²At

Nombor jisim	212
nombor neutron	127
Jisim Atom Relatif	211.990737301 ± 0.000002559 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	314 ± 3 ms
Spin	1
nuclear quadrupole moment
tarikh penemuan	1954
parity	-

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

²¹³At

Nombor jisim	213
nombor neutron	128
Jisim Atom Relatif	212.992936593 ± 0.000005258 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	125 ± 6 ns
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1968
parity	-

decay mode	Keamatan (fizik)
α (α emission)	100%

²¹⁴At

Nombor jisim	214
nombor neutron	129
Jisim Atom Relatif	213.996372331 ± 0.000004274 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	558 ± 10 ns
Spin	1
nuclear quadrupole moment
tarikh penemuan	1949
parity	-

decay mode	Keamatan (fizik)
α (α emission)	100%

²¹⁵At

Nombor jisim	215
nombor neutron	130
Jisim Atom Relatif	214.998651002 ± 0.000007116 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	37 ± 3 us
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1944
parity	-

decay mode	Keamatan (fizik)
α (α emission)	100%

²¹⁶At

Nombor jisim	216
nombor neutron	131
Jisim Atom Relatif	216.002422643 ± 0.000003837 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	300 ± 30 us
Spin	1
nuclear quadrupole moment
tarikh penemuan	1948
parity	-

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

²¹⁷At

Nombor jisim	217
nombor neutron	132
Jisim Atom Relatif	217.004717794 ± 0.000005368 Da
g-factor	0.84444444444444 ± 0.044444444444444
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	32.6 ± 0.3 ms
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1947
parity	-

decay mode	Keamatan (fizik)
α (α emission)	99.992%
β⁻ (β⁻ decay)	0.008%

²¹⁸At

Nombor jisim	218
nombor neutron	133
Jisim Atom Relatif	218.008695941 ± 0.000012349 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.28 ± 0.06 s
Spin	2
nuclear quadrupole moment
tarikh penemuan	1943
parity	-

decay mode	Keamatan (fizik)
α (α emission)	100%
β⁻ (β⁻ decay)

²¹⁹At

Nombor jisim	219
nombor neutron	134
Jisim Atom Relatif	219.011160587 ± 0.000003474 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	56 ± 3 s
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1953
parity	-

decay mode	Keamatan (fizik)
α (α emission)	93.6%
β⁻ (β⁻ decay)	6.4%

²²⁰At

Nombor jisim	220
nombor neutron	135
Jisim Atom Relatif	220.015433 ± 0.000015 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.71 ± 0.04 m
Spin	3
nuclear quadrupole moment
tarikh penemuan	1989
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	92%
α (α emission)	8%

²²¹At

Nombor jisim	221
nombor neutron	136
Jisim Atom Relatif	221.018017 ± 0.000015 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.3 ± 0.2 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1989
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²²²At

Nombor jisim	222
nombor neutron	137
Jisim Atom Relatif	222.022494 ± 0.000017 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	54 ± 10 s
Spin
nuclear quadrupole moment
tarikh penemuan	1989
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²²³At

Nombor jisim	223
nombor neutron	138
Jisim Atom Relatif	223.025151 ± 0.000015 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	50 ± 7 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1989
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
α (α emission)

²²⁴At

Nombor jisim	224
nombor neutron	139
Jisim Atom Relatif	224.029749 ± 0.000024 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.5 ± 1.5 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²²⁵At

Nombor jisim	225
nombor neutron	140
Jisim Atom Relatif	225.032528 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁶At

Nombor jisim	226
nombor neutron	141
Jisim Atom Relatif	226.037209 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	2
nuclear quadrupole moment
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁷At

Nombor jisim	227
nombor neutron	142
Jisim Atom Relatif	227.040183 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁸At

Nombor jisim	228
nombor neutron	143
Jisim Atom Relatif	228.04496 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3
nuclear quadrupole moment
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²²⁹At

Nombor jisim	229
nombor neutron	144
Jisim Atom Relatif	229.048191 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2010
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

sejarah

penemu atau pereka	D.R.Corson, K.R.MacKenzie, E.Segré
tempat penemuan	United States
tarikh penemuan	1940
Etimologi	Greek: astatos (unstable).
sebutan	AS-teh-teen (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
natural abundance (Tubuh manusia)	0 %
natural abundance (Meteoroid)	0 %
natural abundance (Matahari)
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

Astatin on ChemicalAid

ChEBI ID	30415
DSSTOX compound identifier	DTXCID40147882
Encyclopedia of China ID (Second Edition)	191040
ID Den Store Danske	astat
ID Encyclopædia Universalis	astate
ID Ensiklopedia Besar Rusia dalam talian	1835401
ID FAST	819270
ID Freebase	/m/027t9kn
ID GND	4143236-8
ID Gran Enciclopèdia Catalana	0005881
ID J9U Perpustakaan Negara Israel	987007294954905171
ID KBpedia	Astatine
ID Namuwiki	아스타틴
ID PSH	5815
ID Perbendaharaan Kata Pendidikan Australia	scot/1850
ID Store norske leksikon	astat
ID Treccani	astato
ID WordNet 3.1 Synset	14653739-n
ID YSO	28791
ID bahan DSSTox	DTXSID40225391
ID dalam talian Brockhaus Enzyklopädie	astat
ID kewibawaan Perpustakaan Kongres	sh85008844
ID pemerihal MeSH	D001246
ID topik Quora	Astatine
InChI	InChI=1S/At
InChIKey	RYXHOMYVWAEKHL-UHFFFAOYSA-N
Maksud Tertakrif OmegaWiki	155974
OpenAlex ID	C531082785
PubChem CID	5460479
Semantic Scholar topic ID	992086
USGS Thesaurus ID	1398
nombor pendaftaran CAS	7440-68-8

Astatin (At)

Sifat Fizikal

Sifat Kimia

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

sejarah

sumber

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