Arsenik, ²Arsen (As)

chemical element with symbol As and atomic number 33

Atomic Number	33
Atomic Weight	74.921595
Nombor jisim	75

Group	15
Period	4
Block	p

proton	33 p⁺
neutron	42 n⁰
Elektron	33 e^-

Animated Model Bohr of As (Arsenik, ²Arsen)

Sifat Fizikal

Jejari Atom	115 pm 231 pm
molar volume	13.1 cm³/mol
Jejari kovalen	121 pm 114 pm 106 pm 126 pm 119 pm
Metallic Radius	121 pm 148 pm
ionic radius	58 pm 33.5 pm 46 pm
Crystal Radius	72 pm 47.5 pm 60 pm
Jejari van der Waals	205 pm 185 pm 415 pm 185 pm 236 pm 423 pm
ketumpatan	5.75 g/cm³ 5,220 kg/m³

Sifat Kimia

tenaga

proton affinity
Pertalian elektron	0.804 eV/particle
ionization energy	9.789 eV/particle 18.5892 eV/particle 28.349 eV/particle 50.15 eV/particle 62.767 eV/particle 121.19 eV/particle 147 eV/particle 180 eV/particle 213 eV/particle 247 eV/particle 296 eV/particle 333 eV/particle 375 eV/particle 418 eV/particle 460 eV/particle 587.6 eV/particle 628.82 eV/particle 672.9 eV/particle 728.9 eV/particle 774 eV/particle 814 eV/particle 911.7 eV/particle 956.791 eV/particle 2,357 eV/particle 2,486 eV/particle 2,626 eV/particle 2,766 eV/particle 2,938 eV/particle 3,088.1 eV/particle 3,287 eV/particle 3,411.643 eV/particle 14,447.6778 eV/particle 15,028.906 eV/particle

Entalpi pengewapan	32.4 kJ/mol
entalpi pelakuran
standard enthalpy of formation	302.5 kJ/mol
Elektron

Petala elektron	2, 8, 18, 5

Elektron valens	5 ⓘ

tatarajah elektron	[Ar] 3d¹⁰ 4s² 4p³ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p³

Keadaan pengoksidaan	-3, -2, -1, 0, 1, 2, 3, 4, 5
Keelektronegatifan	13.08 eV/particle 0.2068208 2.18
Electrophilicity Index	1.5610969532554257 eV/particle
keadaan jirim asas

fasa jirim	Solid
gaseous state of matter
Boiling Point	889.15 K
Melting Point	1,090.15 K
critical pressure	22.3 MPa
critical temperature	1,673.15 K
triple point	1,090.15 K 3,700 kPa
rupa
warna	Silver #ff1493 #bd80e3 #bd80e3
rupa	metallic grey
indeks biasan	1.001552
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity	24.64 J/(mol K)
Specific Heat Capacity	0.329 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Kekonduksian elektrik	3.3 MS/m
Kerintangan dan kekonduksian elektrik	0.0000003 m Ω
Kesuperkonduksian
kemagnetan
type	diamagnetic
magnetic susceptibility (Mass)	-0.0000000039 m³/Kg
magnetic susceptibility (Molar)	-0.000000000292 m³/mol
magnetic susceptibility (Volume)	-0.0000223
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure	Simple Trigonal (RHL)
lattice constant	4.13 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	1,440 MPa 3.5 MPa
Modulus pukal	22 GPa
shear modulus
Young's modulus	8 GPa
Nisbah Poisson
Kelajuan bunyi
pengelasan
Category	Metalloids, Metalloids
CAS Group	VB
IUPAC Group	VA
Glawe Number	90
Mendeleev Number	95
Pettifor Number	89
Geochemical Class	semi-volatile
Goldschmidt classification	chalcophile

other

Gas Basicity
polarizability	30 ± 1 a₀
C6 Dispersion Coefficient	246 a₀ 260 a₀
allotrope	Yellow Arsenic, Black Arsenic, Gray Arsenic
Neutron cross section	4.2
Neutron Mass Absorption	0.002
Nombor kuantum	4S3/2
space group	166 (R_3m)

Isotopes of Arsenic

Stable Isotopes	1
Unstable Isotopes	32
Natural Isotopes	1

⁶⁰As

Nombor jisim	60
nombor neutron	27
jisim atom relatif	59.993945 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	5
nuclear quadrupole moment
tarikh penemuan
parity	+

decay mode	Keamatan (fizik)
p (proton emission)

⁶¹As

Nombor jisim	61
nombor neutron	28
jisim atom relatif	60.981535 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan
parity	-

decay mode	Keamatan (fizik)
p (proton emission)

⁶²As

Nombor jisim	62
nombor neutron	29
jisim atom relatif	61.973784 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1
nuclear quadrupole moment
tarikh penemuan
parity	+

decay mode	Keamatan (fizik)
p (proton emission)

⁶³As

Nombor jisim	63
nombor neutron	30
jisim atom relatif	62.964036 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan
parity	-

decay mode	Keamatan (fizik)
p (proton emission)

⁶⁴As

Nombor jisim	64
nombor neutron	31
jisim atom relatif	63.95756 ± 0.000218 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	69 ± 1.4 ms
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1995
parity	+

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)

⁶⁵As

Nombor jisim	65
nombor neutron	32
jisim atom relatif	64.949611 ± 0.000091 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	130.3 ± 0.6 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1991
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)

⁶⁶As

Nombor jisim	66
nombor neutron	33
jisim atom relatif	65.944148778 ± 0.0000061 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	95.77 ± 0.23 ms
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1978
parity	+

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

⁶⁷As

Nombor jisim	67
nombor neutron	34
jisim atom relatif	66.93925111 ± 0.000000475 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	42.5 ± 1.2 s
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1980
parity	-

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

⁶⁸As

Nombor jisim	68
nombor neutron	35
jisim atom relatif	67.936774127 ± 0.000001981 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	151.6 ± 0.8 s
Spin	3
nuclear quadrupole moment
tarikh penemuan	1971
parity	+

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

⁶⁹As

Nombor jisim	69
nombor neutron	36
jisim atom relatif	68.932246289 ± 0.000034352 Da
g-factor	0.6488 ± 0.0008
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	15.2 ± 0.2 m
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1955
parity	-

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

⁷⁰As

Nombor jisim	70
nombor neutron	37
jisim atom relatif	69.930934642 ± 0.0000015 Da
g-factor	0.5276 ± 0.000125
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	52.6 ± 0.3 m
Spin	4
nuclear quadrupole moment	0.09 ± 0.02
tarikh penemuan	1950
parity	+

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

⁷¹As

Nombor jisim	71
nombor neutron	38
jisim atom relatif	70.927113594 ± 0.000004469 Da
g-factor	0.6692 ± 0.0008
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	65.3 ± 0.07 h
Spin	5/2
nuclear quadrupole moment	-0.021 ± 0.006
tarikh penemuan	1939
parity	-

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

⁷²As

Nombor jisim	72
nombor neutron	39
jisim atom relatif	71.926752291 ± 0.000004383 Da
g-factor	-1.0805 ± 0.0003
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	26 ± 0.1 h
Spin	2
nuclear quadrupole moment	-0.08 ± 0.02
tarikh penemuan	1939
parity	-

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

⁷³As

Nombor jisim	73
nombor neutron	40
jisim atom relatif	72.923829086 ± 0.000004136 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	80.3 ± 0.06 d
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1948
parity	-

decay mode	Keamatan (fizik)
ϵ (electron capture)	100%

⁷⁴As

Nombor jisim	74
nombor neutron	41
jisim atom relatif	73.923928596 ± 0.000001817 Da
g-factor	-0.798 ± 0.0015
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	17.77 ± 0.02 d
Spin	2
nuclear quadrupole moment
tarikh penemuan	1938
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	66%
β⁻ (β⁻ decay)	34%

⁷⁵As

Nombor jisim	75
nombor neutron	42
jisim atom relatif	74.921594562 ± 0.000000948 Da
g-factor
natural abundance	100
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	3/2
nuclear quadrupole moment	0.311 ± 0.002
tarikh penemuan	1920
parity	-

⁷⁶As

Nombor jisim	76
nombor neutron	43
jisim atom relatif	75.922392011 ± 0.000000951 Da
g-factor	0.45115 ± 0.0005
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.0933 ± 0.0038 d
Spin	2
nuclear quadrupole moment
tarikh penemuan	1934
parity	-

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

⁷⁷As

Nombor jisim	77
nombor neutron	44
jisim atom relatif	76.920647555 ± 0.000001816 Da
g-factor	0.86266666666667 ± 0.00086666666666667
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	38.79 ± 0.05 h
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1951
parity	-

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

⁷⁸As

Nombor jisim	78
nombor neutron	45
jisim atom relatif	77.921827771 ± 0.000010498 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	90.7 ± 0.2 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	1937
parity	-

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

⁷⁹As

Nombor jisim	79
nombor neutron	46
jisim atom relatif	78.920948419 ± 0.000005716 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	9.01 ± 0.15 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1950
parity	-

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

⁸⁰As

Nombor jisim	80
nombor neutron	47
jisim atom relatif	79.92247444 ± 0.000003578 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	15.2 ± 0.2 s
Spin	1
nuclear quadrupole moment
tarikh penemuan	1954
parity	+

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

⁸¹As

Nombor jisim	81
nombor neutron	48
jisim atom relatif	80.922132288 ± 0.000002838 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	33.3 ± 0.8 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1960
parity	-

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

⁸²As

Nombor jisim	82
nombor neutron	49
jisim atom relatif	81.924738731 ± 0.000004003 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	19.1 ± 0.5 s
Spin	2
nuclear quadrupole moment
tarikh penemuan	1968
parity	-

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

⁸³As

Nombor jisim	83
nombor neutron	50
jisim atom relatif	82.9252069 ± 0.000003004 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	13.4 ± 0.4 s
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1968
parity	-

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

⁸⁴As

Nombor jisim	84
nombor neutron	51
jisim atom relatif	83.92930329 ± 0.000003403 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.16 ± 0.58 s
Spin	2
nuclear quadrupole moment
tarikh penemuan	1968
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.28%

⁸⁵As

Nombor jisim	85
nombor neutron	52
jisim atom relatif	84.932163658 ± 0.000003304 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.022 ± 0.007 s
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1967
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	62.6%

⁸⁶As

Nombor jisim	86
nombor neutron	53
jisim atom relatif	85.936701532 ± 0.000003703 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	945 ± 8 ms
Spin	1
nuclear quadrupole moment
tarikh penemuan	1973
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	35.5%
2n (2-neutron emission)

⁸⁷As

Nombor jisim	87
nombor neutron	54
jisim atom relatif	86.940291716 ± 0.000003204 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	492 ± 25 ms
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1970
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	15.4%
2n (2-neutron emission)

⁸⁸As

Nombor jisim	88
nombor neutron	55
jisim atom relatif	87.94584 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	270 ± 150 ms
Spin
nuclear quadrupole moment
tarikh penemuan	1994
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁸⁹As

Nombor jisim	89
nombor neutron	56
jisim atom relatif	88.950048 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1994
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹⁰As

Nombor jisim	90
nombor neutron	57
jisim atom relatif	89.955995 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan	1997
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹¹As

Nombor jisim	91
nombor neutron	58
jisim atom relatif	90.960816 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1997
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹²As

Nombor jisim	92
nombor neutron	59
jisim atom relatif	91.967386 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan	1997
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

sejarah

penemu atau pereka	Known to the ancients.
tempat penemuan
tarikh penemuan
Etimologi	Greek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
sebutan	AR-s'n-ik (Inggeris)

sumber

Abundance
Abundance in Earth's crust	1.8 mg/kg
natural abundance (lautan)	0.0037 mg/L
natural abundance (Tubuh manusia)	0.000005 %
natural abundance (Meteoroid)	0.00018 %
natural abundance (Matahari)
Abundance in Universe	0.0000008 %

Nuclear Screening Constants

1	s	0.7217
2	p	3.9264
2	s	8.873
3	d	15.6216
3	p	15.1503
3	s	14.4045
4	p	25.5508
4	s	24.056

Arsenik, ²Arsen on ChemicalAid

Banglapedia ID (Bengali)	আর্সেনিক
CA PROP 65 ID	arsenic
ChEBI ID	27563
ChemSpider ID	4514330
DSSTOX compound identifier	DTXCID703886
ECHA Substance Infocard ID	100.028.316
Encyclopedia of China ID (Second Edition)	229020
Encyclopédie berbère article ID	2598
Gujarati Vishwakosh entry	આર્સેનિક
HCIS ID	287
HSDB ID	509
ICSC ID	0013
ID BnF	11971740q
ID CAB	43961
ID De Agostini	arsènico+(sostantivo)
ID Den Store Danske	arsen
ID Encyclopædia Universalis	arsenic-toxicologie
ID Encyclopædia Universalis	arsenic
ID Ensiklopedia Besar Rusia dalam talian	2241159
ID Freebase	/m/027rq1r
ID GND	4003041-6
ID Gran Enciclopèdia Catalana	0005554
ID J9U Perpustakaan Negara Israel	987007294803405171
ID KBpedia	Arsenic
ID NE.se	arsenik
ID NKCR AUT	ph138910
ID PSH	5803
ID Perbendaharaan Kata Pendidikan Australia	scot/1661
ID Store norske leksikon	arsen
ID Tesaurus BNCF	25597
ID Treccani	arsenico
ID Vikidia Perancis	Arsenic
ID WordNet 3.1 Synset	14653327-n
ID YSO	9329
ID bahan DSSTox	DTXSID4023886
ID dalam talian Brockhaus Enzyklopädie	arsen
ID kewibawaan Perpustakaan Kongres	sh85007449
ID pemerihal MeSH	D001151
ID tesaurus PACTOLS	pcrt5mFxzmQ9rX
ID topik Quora	Arsenic-As
InChI	InChI=1S/As
InChIKey	RQNWIZPPADIBDY-UHFFFAOYSA-N
KEGG ID	C06269
Krugosvet article	nauka_i_tehnika/himiya/MISHYAK.html
Krugosvet article	meditsina/myshyak-i-zdorove-cheloveka
LiverTox ID	Arsenic
Maksud Tertakrif OmegaWiki	255
NALT ID	12370
NDF-RT ID	N0000022206
OpenAlex ID	C502230775
OpenAlex ID	C2910930242
PM20 ware ID	142006
Pengenal Pasti Arkib Negara A.S.	10637420
PubChem CID	5359596
RxNorm ID	1111
Spanish Cultural Heritage thesauri ID	materias/1009757
Store medisinske leksikon ID	arsen
UK Archival Thesaurus ID	f2/mt225/4347/7620
UMLS CUI	C0003818
UNII	N712M78A8G
USGS Thesaurus ID	1396
WikiSkripta ID	32671
ZVG number	8280
kod entiti Bahasa Wolfram	Entity["Mineral", "Arsenic"]
nombor pendaftaran CAS	7440-38-2
pengecam LNB	000306779
pengecam NDL	00563271

Arsenik, ²Arsen (As)

Sifat Fizikal

Sifat Kimia

other

Isotopes of Arsenic

60As

61As

62As

63As

64As

65As

66As

67As

68As

69As

70As

71As

72As

73As

74As

75As

76As

77As

78As

79As

80As

81As

82As

83As

84As

85As

86As

87As

88As

89As

90As

91As

92As

sejarah

sumber

Nuclear Screening Constants

⁶⁰As

⁶¹As

⁶²As

⁶³As

⁶⁴As

⁶⁵As

⁶⁶As

⁶⁷As

⁶⁸As

⁶⁹As

⁷⁰As

⁷¹As

⁷²As

⁷³As

⁷⁴As

⁷⁵As

⁷⁶As

⁷⁷As

⁷⁸As

⁷⁹As

⁸⁰As

⁸¹As

⁸²As

⁸³As

⁸⁴As

⁸⁵As

⁸⁶As

⁸⁷As

⁸⁸As

⁸⁹As

⁹⁰As

⁹¹As

⁹²As