Арсен

Арсен (As)

chemical element with symbol As and atomic number 33
Atomic Number33
Atomic Weight74.921595
Адади массавӣ75
Group15
Period4
Blockp
proton33 p+
neutron42 n0
electron33 e-
Animated Bohr model of As (Арсен)

Хусусияти Физикӣ

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
зичӣ
Atomic Radii Of The Elements: Арсен0102030405060708090100110120130140150160170180190pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
ionization energy of As (Арсен)
enthalpy of vaporization
гармои гудозиш
standard enthalpy of formation
electron
Абри электронӣ2, 8, 18, 5
Bohr model: As (Арсен)
valence electron5
Lewis structure: As (Арсен)
electron configuration[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Bohr model of As (Арсен)
Orbital Diagram of As (Арсен)
oxidation number-3, -2, -1, 0, 1, 2, 3, 4, 5
electronegativity
2.18
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Ранг
Silver
appearancemetallic grey
refractive index
1,001552
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
electrical resistivity
superconductivity
magnetism
навъdiamagnetic
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
сохт
Crystal StructureSimple Trigonal (RHL)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryMetalloids, Metalloids
CAS GroupVB
IUPAC GroupVA
Glawe Number90
Mendeleev Number95
Pettifor Number89
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotropeYellow Arsenic, Black Arsenic, Gray Arsenic
Neutron cross section
4,2
Neutron Mass Absorption
0,002
ададҳои квантӣ4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

Адади массавӣ60
neutron number27
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5
nuclear quadrupole moment
таърихи кашф
parity+

decay modeintensity
p (proton emission)

61As

Адади массавӣ61
neutron number28
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

62As

Адади массавӣ62
neutron number29
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
таърихи кашф
parity+

decay modeintensity
p (proton emission)

63As

Адади массавӣ63
neutron number30
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

64As

Адади массавӣ64
neutron number31
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
69 ± 1,4 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1995
parity+

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

65As

Адади массавӣ65
neutron number32
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
130,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
таърихи кашф1991
parity-

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

66As

Адади массавӣ66
neutron number33
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
95,77 ± 0,23 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1978
parity+

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

67As

Адади массавӣ67
neutron number34
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
42,5 ± 1,2 s
spin5/2
nuclear quadrupole moment
таърихи кашф1980
parity-

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

68As

Адади массавӣ68
neutron number35
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
151,6 ± 0,8 s
spin3
nuclear quadrupole moment
таърихи кашф1971
parity+

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

69As

Адади массавӣ69
neutron number36
Relative Atomic Mass
g-factor
0,6488 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
15,2 ± 0,2 m
spin5/2
nuclear quadrupole moment
таърихи кашф1955
parity-

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

70As

Адади массавӣ70
neutron number37
Relative Atomic Mass
g-factor
0,5276 ± 0,000125
natural abundance
radioactivity☢️ radioactive element
half-life
52,6 ± 0,3 m
spin4
nuclear quadrupole moment
0,09 ± 0,02
таърихи кашф1950
parity+

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

71As

Адади массавӣ71
neutron number38
Relative Atomic Mass
g-factor
0,6692 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
65,3 ± 0,07 h
spin5/2
nuclear quadrupole moment
-0,021 ± 0,006
таърихи кашф1939
parity-

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

72As

Адади массавӣ72
neutron number39
Relative Atomic Mass
g-factor
-1,0805 ± 0,0003
natural abundance
radioactivity☢️ radioactive element
half-life
26 ± 0,1 h
spin2
nuclear quadrupole moment
-0,08 ± 0,02
таърихи кашф1939
parity-

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

73As

Адади массавӣ73
neutron number40
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
80,3 ± 0,06 d
spin3/2
nuclear quadrupole moment
таърихи кашф1948
parity-

decay modeintensity
ϵ (electron capture)100%

74As

Адади массавӣ74
neutron number41
Relative Atomic Mass
g-factor
-0,798 ± 0,0015
natural abundance
radioactivity☢️ radioactive element
half-life
17,77 ± 0,02 d
spin2
nuclear quadrupole moment
таърихи кашф1938
parity-

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

75As

Адади массавӣ75
neutron number42
Relative Atomic Mass
g-factor
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,311 ± 0,002
таърихи кашф1920
parity-

76As

Адади массавӣ76
neutron number43
Relative Atomic Mass
g-factor
0,45115 ± 0,0005
natural abundance
radioactivity☢️ radioactive element
half-life
1,0933 ± 0,0038 d
spin2
nuclear quadrupole moment
таърихи кашф1934
parity-

decay modeintensity
β (β decay)100%

77As

Адади массавӣ77
neutron number44
Relative Atomic Mass
g-factor
0,86266666666667 ± 0,00086666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
38,79 ± 0,05 h
spin3/2
nuclear quadrupole moment
таърихи кашф1951
parity-

decay modeintensity
β (β decay)100%

78As

Адади массавӣ78
neutron number45
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
90,7 ± 0,2 m
spin2
nuclear quadrupole moment
таърихи кашф1937
parity-

decay modeintensity
β (β decay)100%

79As

Адади массавӣ79
neutron number46
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,01 ± 0,15 m
spin3/2
nuclear quadrupole moment
таърихи кашф1950
parity-

decay modeintensity
β (β decay)100%

80As

Адади массавӣ80
neutron number47
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
15,2 ± 0,2 s
spin1
nuclear quadrupole moment
таърихи кашф1954
parity+

decay modeintensity
β (β decay)100%

81As

Адади массавӣ81
neutron number48
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
33,3 ± 0,8 s
spin3/2
nuclear quadrupole moment
таърихи кашф1960
parity-

decay modeintensity
β (β decay)100%

82As

Адади массавӣ82
neutron number49
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,1 ± 0,5 s
spin2
nuclear quadrupole moment
таърихи кашф1968
parity-

decay modeintensity
β (β decay)100%

83As

Адади массавӣ83
neutron number50
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
13,4 ± 0,4 s
spin5/2
nuclear quadrupole moment
таърихи кашф1968
parity-

decay modeintensity
β (β decay)100%

84As

Адади массавӣ84
neutron number51
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,16 ± 0,58 s
spin2
nuclear quadrupole moment
таърихи кашф1968
parity-

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

85As

Адади массавӣ85
neutron number52
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,022 ± 0,007 s
spin5/2
nuclear quadrupole moment
таърихи кашф1967
parity-

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

86As

Адади массавӣ86
neutron number53
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
945 ± 8 ms
spin1
nuclear quadrupole moment
таърихи кашф1973
parity-

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

87As

Адади массавӣ87
neutron number54
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
492 ± 25 ms
spin5/2
nuclear quadrupole moment
таърихи кашф1970
parity-

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

88As

Адади массавӣ88
neutron number55
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
270 ± 150 ms
spin
nuclear quadrupole moment
таърихи кашф1994
parity

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

89As

Адади массавӣ89
neutron number56
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф1994
parity-

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

90As

Адади массавӣ90
neutron number57
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф1997
parity

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

91As

Адади массавӣ91
neutron number58
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф1997
parity-

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

92As

Адади массавӣ92
neutron number59
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф1997
parity

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

таърих

кошифKnown to the ancients.
макони кашф
таърихи кашф
РешашиносӣGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (Англисӣ)

source

Abundance
Abundance in Earth's crust
natural abundance (Уқёнус)
natural abundance (human body)
0,000005 %
natural abundance (meteoroid)
0,00018 %
natural abundance (Офтоб)
Abundance in Universe
0,0000008 %

Nuclear Screening Constants

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