Arseni[k]

Arseni[k] (As)

chemical element with symbol As and atomic number 33
Atomic Number33
Atomic Weight74.921595
Numri i masës75
Group15
Period4
Blockp
protoni33 p+
neutroni42 n0
elektroni33 e-
Animated Bohr model of As (Arseni[k])

Tipar Fizik

Atomic Radius
115 pm
molar volume
covalent radius
121 pm
Metallic Radius
121 pm
ionic radius
58 pm
Crystal Radius
72 pm
Van der Waals radius
185 pm
density
5,75 g/cm³
Atomic Radii Of The Elements: Arseni[k]020406080100120140160180200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of As (Arseni[k])
enthalpy of vaporization
32,4 kJ/mol
enthalpy of fusion
standard enthalpy of formation
302,5 kJ/mol
elektroni
electron shell2, 8, 18, 5
Bohr model: As (Arseni[k])
valence electron5
Lewis structure: As (Arseni[k])
konfigurimi i elektronit[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Bohr model of As (Arseni[k])
Orbital Diagram of As (Arseni[k])
oxidation number-3, -2, -1, 0, 1, 2, 3, 4, 5
Elektronegativiteti
2.18
Electrophilicity Index
1,5610969532554257 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
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
appearance
Ngjyra
Silver
appearancemetallic grey
refractive index
1,001552
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
24,64 J/(mol K)
Specific Heat Capacity
0,329 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
3,3 MS/m
electrical resistivity
0,0000003 m Ω
Superpërcjellshmëria
Magnetizimi
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000039 m³/Kg
magnetic susceptibility (Molar)
-0,000000000292 m³/mol
magnetic susceptibility (Volume)
-0,0000223
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal StructureSimple Trigonal (RHL)
lattice constant
4,13 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
3,5 MPa
bulk modulus
22 GPa
shear modulus
Young's modulus
8 GPa
Poisson's ratio
Shpejtësia e zërit
klasifikim
CategoryMetalloids, Metalloids
CAS GroupVB
IUPAC GroupVA
Glawe Number90
Mendeleev Number95
Pettifor Number89
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
30 ± 1 a₀
C6 Dispersion Coefficient
246 a₀
allotropeYellow Arsenic, Black Arsenic, Gray Arsenic
Neutron cross section
4,2
Neutron Mass Absorption
0,002
numër kuantik4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

Numri i masës60
numri i neutroneve27
relative atomic mass
59,993945 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

61As

Numri i masës61
numri i neutroneve28
relative atomic mass
60,981535 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

62As

Numri i masës62
numri i neutroneve29
relative atomic mass
61,973784 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

63As

Numri i masës63
numri i neutroneve30
relative atomic mass
62,964036 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

64As

Numri i masës64
numri i neutroneve31
relative atomic mass
63,95756 ± 0,000218 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
69 ± 1,4 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1995
parity+

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

65As

Numri i masës65
numri i neutroneve32
relative atomic mass
64,949611 ± 0,000091 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
130,3 ± 0,6 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1991
parity-

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

66As

Numri i masës66
numri i neutroneve33
relative atomic mass
65,944148778 ± 0,0000061 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
95,77 ± 0,23 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1978
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

67As

Numri i masës67
numri i neutroneve34
relative atomic mass
66,93925111 ± 0,000000475 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
42,5 ± 1,2 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1980
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

68As

Numri i masës68
numri i neutroneve35
relative atomic mass
67,936774127 ± 0,000001981 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
151,6 ± 0,8 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1971
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

69As

Numri i masës69
numri i neutroneve36
relative atomic mass
68,932246289 ± 0,000034352 Da
g-factor
0,6488 ± 0,0008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,2 ± 0,2 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1955
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

70As

Numri i masës70
numri i neutroneve37
relative atomic mass
69,930934642 ± 0,0000015 Da
g-factor
0,5276 ± 0,000125
natural abundance
Radioaktivitet☢️ radioactive element
half-life
52,6 ± 0,3 m
Spini4
nuclear quadrupole moment
0,09 ± 0,02
koha e zbulimit apo shpikjes1950
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

71As

Numri i masës71
numri i neutroneve38
relative atomic mass
70,927113594 ± 0,000004469 Da
g-factor
0,6692 ± 0,0008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
65,3 ± 0,07 h
Spini5/2
nuclear quadrupole moment
-0,021 ± 0,006
koha e zbulimit apo shpikjes1939
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

72As

Numri i masës72
numri i neutroneve39
relative atomic mass
71,926752291 ± 0,000004383 Da
g-factor
-1,0805 ± 0,0003
natural abundance
Radioaktivitet☢️ radioactive element
half-life
26 ± 0,1 h
Spini2
nuclear quadrupole moment
-0,08 ± 0,02
koha e zbulimit apo shpikjes1939
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%

73As

Numri i masës73
numri i neutroneve40
relative atomic mass
72,923829086 ± 0,000004136 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
80,3 ± 0,06 d
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1948
parity-

decay modeintensitet
ϵ (electron capture)100%

74As

Numri i masës74
numri i neutroneve41
relative atomic mass
73,923928596 ± 0,000001817 Da
g-factor
-0,798 ± 0,0015
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,77 ± 0,02 d
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1938
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)66%
β (β decay)34%

75As

Numri i masës75
numri i neutroneve42
relative atomic mass
74,921594562 ± 0,000000948 Da
g-factor
natural abundance
100
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
0,311 ± 0,002
koha e zbulimit apo shpikjes1920
parity-

76As

Numri i masës76
numri i neutroneve43
relative atomic mass
75,922392011 ± 0,000000951 Da
g-factor
0,45115 ± 0,0005
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,0933 ± 0,0038 d
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1934
parity-

decay modeintensitet
β (β decay)100%

77As

Numri i masës77
numri i neutroneve44
relative atomic mass
76,920647555 ± 0,000001816 Da
g-factor
0,86266666666667 ± 0,00086666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
38,79 ± 0,05 h
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1951
parity-

decay modeintensitet
β (β decay)100%

78As

Numri i masës78
numri i neutroneve45
relative atomic mass
77,921827771 ± 0,000010498 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
90,7 ± 0,2 m
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1937
parity-

decay modeintensitet
β (β decay)100%

79As

Numri i masës79
numri i neutroneve46
relative atomic mass
78,920948419 ± 0,000005716 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,01 ± 0,15 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1950
parity-

decay modeintensitet
β (β decay)100%

80As

Numri i masës80
numri i neutroneve47
relative atomic mass
79,92247444 ± 0,000003578 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,2 ± 0,2 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
β (β decay)100%

81As

Numri i masës81
numri i neutroneve48
relative atomic mass
80,922132288 ± 0,000002838 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
33,3 ± 0,8 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1960
parity-

decay modeintensitet
β (β decay)100%

82As

Numri i masës82
numri i neutroneve49
relative atomic mass
81,924738731 ± 0,000004003 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
19,1 ± 0,5 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1968
parity-

decay modeintensitet
β (β decay)100%

83As

Numri i masës83
numri i neutroneve50
relative atomic mass
82,9252069 ± 0,000003004 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13,4 ± 0,4 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1968
parity-

decay modeintensitet
β (β decay)100%

84As

Numri i masës84
numri i neutroneve51
relative atomic mass
83,92930329 ± 0,000003403 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,16 ± 0,58 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1968
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)0.28%

85As

Numri i masës85
numri i neutroneve52
relative atomic mass
84,932163658 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,022 ± 0,007 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)62.6%

86As

Numri i masës86
numri i neutroneve53
relative atomic mass
85,936701532 ± 0,000003703 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
945 ± 8 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)35.5%
2n (2-neutron emission)

87As

Numri i masës87
numri i neutroneve54
relative atomic mass
86,940291716 ± 0,000003204 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
492 ± 25 ms
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)15.4%
2n (2-neutron emission)

88As

Numri i masës88
numri i neutroneve55
relative atomic mass
87,94584 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
270 ± 150 ms
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1994
parity

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)

89As

Numri i masës89
numri i neutroneve56
relative atomic mass
88,950048 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1994
parity-

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

90As

Numri i masës90
numri i neutroneve57
relative atomic mass
89,955995 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

91As

Numri i masës91
numri i neutroneve58
relative atomic mass
90,960816 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity-

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

92As

Numri i masës92
numri i neutroneve59
relative atomic mass
91,967386 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Arsen 1

historia

zbuluesKnown to the ancients.
vendndodhja e zbulimit
koha e zbulimit apo shpikjes
EtimologjiaGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (anglisht)

burim

Abundance
Abundance in Earth's crust
1,8 mg/kg
natural abundance (Oqeani)
0,0037 mg/L
natural abundance (Trupi i njeriut)
0,000005 %
natural abundance (meteoroid)
0,00018 %
natural abundance (Diell)
Abundance in Universe
0,0000008 %

Nuclear Screening Constants

1s0.7217
2p3.9264
2s8.873
3d15.6216
3p15.1503
3s14.4045
4p25.5508
4s24.056