Arsenik (As)

grundämne

Atomnummer	33
Atommassa	74.921595
masstal	75

Grupp	15
Period	4
Block	p

Protoner	33 p⁺
Neutroner	42 n⁰
Electrons	33 e^-

Animated Bohrs atommodell of As (Arsenik)

Egenskaper

fysisk egenskap
atomradie	115 pm 231 pm
molvolym	13,1 cm³/mol
kovalent radie	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
Van der Waalsradie	205 pm 185 pm 415 pm 185 pm 236 pm 423 pm
densitet	5,75 g/cm³ 5 220 kg/m³
energi
proton affinity
Elektronaffinitet	0,804 eV/particle
joniseringsenergi	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

ångbildningsvärme	32,4 kJ/mol
smältvärme
Bildningsentalpi	302,5 kJ/mol
Electrons
electron shell	2, 8, 18, 5

valenselektron	5

elektronkonfiguration	[Ar] 3d¹⁰ 4s² 4p³

oxidationstal	-3, -2, -1, 0, 1, 2, 3, 4, 5
elektronegativitet	13,08 eV/particle 0.2068208 2.18
Electrophilicity	1,5610969532554257 eV/particle
Phases
aggregationstillstånd	Fast
Gas Phase
Kokpunkt	889,15 K
Smältpunkt	1 090,15 K
critical pressure	22,3 MPa
critical temperature	1 673,15 K
trippelpunkt	1 090,15 K 3 700 kPa
Visual
färg	Silver #ff1493 #bd80e3 #bd80e3
appearance	metallic grey
Brytningsindex	1,001552
materialegenskap
Värmeledningsförmåga
termisk expansion
molar heat capacity	24,64 J/(mol K)
Specifik värmekapacitet	0,329 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
elektrisk konduktivitet	3,3 MS/m
resistivitet	0,0000003 m Ω
supraledare
magnetism
type	diamagnetic
magnetisk susceptibilitet (Mass)	−0,0000000039 m³/Kg
magnetisk susceptibilitet (Molar)	−0,000000000292 m³/mol
magnetisk susceptibilitet (Volume)	−0,0000223
magnetic ordering
Curiepunkten
Néel temperature
Structure
Kristallstruktur	Enkelt trigonal (RHL)
Gitterkonstant	4,13 Å
Lattice Angles	π/2, π/2, 2 π/3
mekanisk materialegenskap
hårdhet	1 440 MPa 3,5 MPa
Kompressibilitet	22 GPa
skjuvmodul
Young's modulus	8 GPa
Poissons konstant
ljudhastighet
klassificering
Kategori	Metalloid, Metalloids
CAS Group	VB
IUPAC Group	VA
Glawe Number	90
Mendeleev Number	95
Pettifor Number	89
Geochemical Class	semi-volatile
Goldschmidt classification	chalcophile
övrigt
Gas Basicity
Dipole Polarizability	30 ± 1 a₀
C6 Dispersion Coefficient	246 a₀ 260 a₀
Allotropes	Yellow Arsenic, Black Arsenic, Gray Arsenic
Träffyta	4,2
Neutron Mass Absorption	0,002
kvanttal	4S3/2
rymdgrupp	166 (R_3m)

Arsenikisotoper

Stabila isotoper	1
Instabila isotoper	32
Radioactive Isotopes	28

⁶⁰As

natural abundance
relative atomic mass	59,993945 ± 0,000429 Da
masstal	60
g-factor
Halveringstid
Spinn	5
nuclear quadrupole moment
upptäcktsdatum
Paritet	+

⁶⁰As Decay Modes

decay mode	Intensitet
p (proton emission)	%

⁶¹As

natural abundance
relative atomic mass	60,981535 ± 0,000322 Da
masstal	61
g-factor
Halveringstid
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum
Paritet	-

⁶¹As Decay Modes

decay mode	Intensitet
p (proton emission)	%

⁶²As

natural abundance
relative atomic mass	61,973784 ± 0,000322 Da
masstal	62
g-factor
Halveringstid
Spinn	1
nuclear quadrupole moment
upptäcktsdatum
Paritet	+

⁶²As Decay Modes

decay mode	Intensitet
p (proton emission)	%

⁶³As

natural abundance
relative atomic mass	62,964036 ± 0,000215 Da
masstal	63
g-factor
Halveringstid
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum
Paritet	-

⁶³As Decay Modes

decay mode	Intensitet
p (proton emission)	%

⁶⁴As

natural abundance	Radioactive ☢️
relative atomic mass	63,95756 ± 0,000218 Da
masstal	64
g-factor	0
Halveringstid	69 ± 1,4 ms
Spinn	0
nuclear quadrupole moment	0
upptäcktsdatum	1995
Paritet	+

⁶⁴As Decay Modes

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

⁶⁵As

natural abundance	Radioactive ☢️
relative atomic mass	64,949611 ± 0,000091 Da
masstal	65
g-factor
Halveringstid	130,3 ± 0,6 ms
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum	1991
Paritet	-

⁶⁵As Decay Modes

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

⁶⁶As

natural abundance	Radioactive ☢️
relative atomic mass	65,944148778 ± 0,0000061 Da
masstal	66
g-factor	0
Halveringstid	95,77 ± 0,23 ms
Spinn	0
nuclear quadrupole moment	0
upptäcktsdatum	1978
Paritet	+

⁶⁶As Decay Modes

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

⁶⁷As

natural abundance	Radioactive ☢️
relative atomic mass	66,93925111 ± 0,000000475 Da
masstal	67
g-factor
Halveringstid	42,5 ± 1,2 s
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1980
Paritet	-

⁶⁷As Decay Modes

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

⁶⁸As

natural abundance	Radioactive ☢️
relative atomic mass	67,936774127 ± 0,000001981 Da
masstal	68
g-factor
Halveringstid	151,6 ± 0,8 s
Spinn	3
nuclear quadrupole moment
upptäcktsdatum	1971
Paritet	+

⁶⁸As Decay Modes

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

⁶⁹As

natural abundance	Radioactive ☢️
relative atomic mass	68,932246289 ± 0,000034352 Da
masstal	69
g-factor	0,6488 ± 0,0008
Halveringstid	15,2 ± 0,2 m
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1955
Paritet	-

⁶⁹As Decay Modes

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

⁷⁰As

natural abundance	Radioactive ☢️
relative atomic mass	69,930934642 ± 0,0000015 Da
masstal	70
g-factor	0,5276 ± 0,000125
Halveringstid	52,6 ± 0,3 m
Spinn	4
nuclear quadrupole moment	0,09 ± 0,02
upptäcktsdatum	1950
Paritet	+

⁷⁰As Decay Modes

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

⁷¹As

natural abundance	Radioactive ☢️
relative atomic mass	70,927113594 ± 0,000004469 Da
masstal	71
g-factor	0,6692 ± 0,0008
Halveringstid	65,3 ± 0,07 h
Spinn	5/2
nuclear quadrupole moment	−0,021 ± 0,006
upptäcktsdatum	1939
Paritet	-

⁷¹As Decay Modes

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

⁷²As

natural abundance	Radioactive ☢️
relative atomic mass	71,926752291 ± 0,000004383 Da
masstal	72
g-factor	−1,0805 ± 0,0003
Halveringstid	26 ± 0,1 h
Spinn	2
nuclear quadrupole moment	−0,08 ± 0,02
upptäcktsdatum	1939
Paritet	-

⁷²As Decay Modes

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

⁷³As

natural abundance	Radioactive ☢️
relative atomic mass	72,923829086 ± 0,000004136 Da
masstal	73
g-factor
Halveringstid	80,3 ± 0,06 d
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum	1948
Paritet	-

⁷³As Decay Modes

decay mode	Intensitet
ϵ (electron capture)	100%

⁷⁴As

natural abundance	Radioactive ☢️
relative atomic mass	73,923928596 ± 0,000001817 Da
masstal	74
g-factor	−0,798 ± 0,0015
Halveringstid	17,77 ± 0,02 d
Spinn	2
nuclear quadrupole moment
upptäcktsdatum	1938
Paritet	-

⁷⁴As Decay Modes

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

⁷⁵As

natural abundance	100
relative atomic mass	74,921594562 ± 0,000000948 Da
masstal	75
g-factor
Halveringstid
Spinn	3/2
nuclear quadrupole moment	0,311 ± 0,002
upptäcktsdatum	1920
Paritet	-

⁷⁶As

natural abundance	Radioactive ☢️
relative atomic mass	75,922392011 ± 0,000000951 Da
masstal	76
g-factor	0,45115 ± 0,0005
Halveringstid	1,0933 ± 0,0038 d
Spinn	2
nuclear quadrupole moment
upptäcktsdatum	1934
Paritet	-

⁷⁶As Decay Modes

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

⁷⁷As

natural abundance	Radioactive ☢️
relative atomic mass	76,920647555 ± 0,000001816 Da
masstal	77
g-factor	0,86266666666667 ± 0,00086666666666667
Halveringstid	38,79 ± 0,05 h
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum	1951
Paritet	-

⁷⁷As Decay Modes

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

⁷⁸As

natural abundance	Radioactive ☢️
relative atomic mass	77,921827771 ± 0,000010498 Da
masstal	78
g-factor
Halveringstid	90,7 ± 0,2 m
Spinn	2
nuclear quadrupole moment
upptäcktsdatum	1937
Paritet	-

⁷⁸As Decay Modes

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

⁷⁹As

natural abundance	Radioactive ☢️
relative atomic mass	78,920948419 ± 0,000005716 Da
masstal	79
g-factor
Halveringstid	9,01 ± 0,15 m
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum	1950
Paritet	-

⁷⁹As Decay Modes

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

⁸⁰As

natural abundance	Radioactive ☢️
relative atomic mass	79,92247444 ± 0,000003578 Da
masstal	80
g-factor
Halveringstid	15,2 ± 0,2 s
Spinn	1
nuclear quadrupole moment
upptäcktsdatum	1954
Paritet	+

⁸⁰As Decay Modes

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

⁸¹As

natural abundance	Radioactive ☢️
relative atomic mass	80,922132288 ± 0,000002838 Da
masstal	81
g-factor
Halveringstid	33,3 ± 0,8 s
Spinn	3/2
nuclear quadrupole moment
upptäcktsdatum	1960
Paritet	-

⁸¹As Decay Modes

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

⁸²As

natural abundance	Radioactive ☢️
relative atomic mass	81,924738731 ± 0,000004003 Da
masstal	82
g-factor
Halveringstid	19,1 ± 0,5 s
Spinn	2
nuclear quadrupole moment
upptäcktsdatum	1968
Paritet	-

⁸²As Decay Modes

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

⁸³As

natural abundance	Radioactive ☢️
relative atomic mass	82,9252069 ± 0,000003004 Da
masstal	83
g-factor
Halveringstid	13,4 ± 0,4 s
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1968
Paritet	-

⁸³As Decay Modes

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

⁸⁴As

natural abundance	Radioactive ☢️
relative atomic mass	83,92930329 ± 0,000003403 Da
masstal	84
g-factor
Halveringstid	3,16 ± 0,58 s
Spinn	2
nuclear quadrupole moment
upptäcktsdatum	1968
Paritet	-

⁸⁴As Decay Modes

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

⁸⁵As

natural abundance	Radioactive ☢️
relative atomic mass	84,932163658 ± 0,000003304 Da
masstal	85
g-factor
Halveringstid	2,022 ± 0,007 s
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1967
Paritet	-

⁸⁵As Decay Modes

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

⁸⁶As

natural abundance	Radioactive ☢️
relative atomic mass	85,936701532 ± 0,000003703 Da
masstal	86
g-factor
Halveringstid	945 ± 8 ms
Spinn	1
nuclear quadrupole moment
upptäcktsdatum	1973
Paritet	-

⁸⁶As Decay Modes

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

⁸⁷As

natural abundance	Radioactive ☢️
relative atomic mass	86,940291716 ± 0,000003204 Da
masstal	87
g-factor
Halveringstid	492 ± 25 ms
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1970
Paritet	-

⁸⁷As Decay Modes

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

⁸⁸As

natural abundance	Radioactive ☢️
relative atomic mass	87,94584 ± 0,000215 Da
masstal	88
g-factor
Halveringstid	270 ± 150 ms
Spinn
nuclear quadrupole moment
upptäcktsdatum	1994
Paritet

⁸⁸As Decay Modes

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

⁸⁹As

natural abundance	Radioactive ☢️
relative atomic mass	88,950048 ± 0,000322 Da
masstal	89
g-factor
Halveringstid
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1994
Paritet	-

⁸⁹As Decay Modes

decay mode	Intensitet
β⁻ (β⁻ decay)	%
β⁻ n (β⁻-delayed neutron emission)	%
2n (2-neutron emission)	%

⁹⁰As

natural abundance	Radioactive ☢️
relative atomic mass	89,955995 ± 0,000429 Da
masstal	90
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum	1997
Paritet

⁹⁰As Decay Modes

decay mode	Intensitet
β⁻ (β⁻ decay)	%
β⁻ n (β⁻-delayed neutron emission)	%
2n (2-neutron emission)	%

⁹¹As

natural abundance	Radioactive ☢️
relative atomic mass	90,960816 ± 0,000429 Da
masstal	91
g-factor
Halveringstid
Spinn	5/2
nuclear quadrupole moment
upptäcktsdatum	1997
Paritet	-

⁹¹As Decay Modes

decay mode	Intensitet
β⁻ (β⁻ decay)	%
β⁻ n (β⁻-delayed neutron emission)	%
2n (2-neutron emission)	%

⁹²As

natural abundance	Radioactive ☢️
relative atomic mass	91,967386 ± 0,000537 Da
masstal	92
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum	1997
Paritet

⁹²As Decay Modes

decay mode	Intensitet
β⁻ (β⁻ decay)	%
β⁻ n (β⁻-delayed neutron emission)	%
2n (2-neutron emission)	%

historia

upptäckare eller uppfinnare	Known to the ancients.
fyndplats
upptäcktsdatum
etymologi	Greek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
uttal	AR-s'n-ik (engelska)

Sources

Förekomst
Abundance in Earth's crust	1,8 mg/kg
Abundance in Oceans	0,0037 mg/L
Abundance in Human Body	0,000005 %
Abundance in Meteor	0,00018 %
Abundance in Sun
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 on ChemicalAid

ALLFO-ID	9329
Australian Educational Vocabulary-ID	scot/1661
BNCF	25597
BNF-ID	11971740q
Banglapedia ID (Bengali)	আর্সেনিক
Brockhaus Enzyklopädie-ID	arsen
CAB ID	43961
CA PROP 65 ID	arsenic
CAS-nummer	7440-38-2
ChEBI-ID	27563
ChemSpider-ID	4514330
DSSTOX compound identifier	DTXCID703886
DSSTox substance ID	DTXSID4023886
De Agostini-ID	arsènico+(sostantivo)
Den Store Danske-ID	arsen
ECHA Substance Infocard ID	100.028.316
Enciclopedia Treccani	arsenico
Encyclopædia Universalis-ID	arsenic-toxicologie
Encyclopædia Universalis-ID	arsenic
Freebase-ID	/m/027rq1r
Gran Enciclopèdia Catalana-ID	0005554
Gujarati Vishwakosh entry	આર્સેનિક
HCIS ID	287
HSDB ID	509
ICSC-ID	0013
ID-nummer på Wikiscripta	32671
InChI	InChI=1S/As
InChIKey	RQNWIZPPADIBDY-UHFFFAOYSA-N
J9U-ID	987007294803405171
KBpedia-ID	Arsenic
KEGG-ID	C06269
LNB-ID	000306779
LiverTox ID	Arsenic
MeSH-ID	D001151
NALT ID	12370
NDF-RT ID	N0000022206
NDL-ID	00563271
NKC-ID	ph138910
Nationalencyklopedin-ID	arsenik
OmegaWiki Definierad Betydelse	255
OpenAlex-ID	C502230775
OpenAlex-ID	C2910930242
PACTOLS thesaurus-ID	pcrt5mFxzmQ9rX
PM20 ware ID	142006
PSH-ID	5803
PubChem-ID (CID)	5359596
RxNorm-ID	1111
Spanish Cultural Heritage thesauri ID	materias/1009757
Stora ryska encyklopedin-ID	2241159
Store medisinske leksikon-ID	arsen
Store norske leksikon-ID	arsen
U.S. National Archives-ID	10637420
UK Archival Thesaurus-ID	f2/mt225/4347/7620
UMLS CUI	C0003818
UNII	N712M78A8G
Vikidia-ID (franska)	Arsenic
ZVG-nummer	8280
Zhongguo da baike quanshu-ID	229020
artikel-ID på Encyclopédie berbère	2598
entitets-id i Wolfram language	Entity["Mineral", "Arsenic"]
id-nummer i Deutsche Nationalbibliotheks katalog	4003041-6
id-nummer i USA:s kongressbiblioteks katalog	sh85007449
synset-ID på WordNet 3.1	14653327-n
ämnes-ID på Quora	Arsenic-As

Arsenik (As)

Egenskaper

Arsenikisotoper

60As

60As Decay Modes

61As

61As Decay Modes

62As

62As Decay Modes

63As

63As Decay Modes

64As

64As Decay Modes

65As

65As Decay Modes

66As

66As Decay Modes

67As

67As Decay Modes

68As

68As Decay Modes

69As

69As Decay Modes

70As

70As Decay Modes

71As

71As Decay Modes

72As

72As Decay Modes

73As

73As Decay Modes

74As

74As Decay Modes

75As

76As

76As Decay Modes

77As

77As Decay Modes

78As

78As Decay Modes

79As

79As Decay Modes

80As

80As Decay Modes

81As

81As Decay Modes

82As

82As Decay Modes

83As

83As Decay Modes

84As

84As Decay Modes

85As

85As Decay Modes

86As

86As Decay Modes

87As

87As Decay Modes

88As

88As Decay Modes

89As

89As Decay Modes

90As

90As Decay Modes

91As

91As Decay Modes

92As

92As Decay Modes

historia

Sources

Nuclear Screening Constants

⁶⁰As

⁶⁰As Decay Modes

⁶¹As

⁶¹As Decay Modes

⁶²As

⁶²As Decay Modes

⁶³As

⁶³As Decay Modes

⁶⁴As

⁶⁴As Decay Modes

⁶⁵As

⁶⁵As Decay Modes

⁶⁶As

⁶⁶As Decay Modes

⁶⁷As

⁶⁷As Decay Modes

⁶⁸As

⁶⁸As Decay Modes

⁶⁹As

⁶⁹As Decay Modes

⁷⁰As

⁷⁰As Decay Modes

⁷¹As

⁷¹As Decay Modes

⁷²As

⁷²As Decay Modes

⁷³As

⁷³As Decay Modes

⁷⁴As

⁷⁴As Decay Modes

⁷⁵As

⁷⁶As

⁷⁶As Decay Modes

⁷⁷As

⁷⁷As Decay Modes

⁷⁸As

⁷⁸As Decay Modes

⁷⁹As

⁷⁹As Decay Modes

⁸⁰As

⁸⁰As Decay Modes

⁸¹As

⁸¹As Decay Modes

⁸²As

⁸²As Decay Modes

⁸³As

⁸³As Decay Modes

⁸⁴As

⁸⁴As Decay Modes

⁸⁵As

⁸⁵As Decay Modes

⁸⁶As

⁸⁶As Decay Modes

⁸⁷As

⁸⁷As Decay Modes

⁸⁸As

⁸⁸As Decay Modes

⁸⁹As

⁸⁹As Decay Modes

⁹⁰As

⁹⁰As Decay Modes

⁹¹As

⁹¹As Decay Modes

⁹²As

⁹²As Decay Modes