Мишьяк

Мишьяк (As)

chemical element with symbol As and atomic number 33
Atomic Number33
Atomic Weight74.921595
жингийн тоо75
Group15
Period4
Blockp
Протон33 p+
Нейтрон42 n0
Электрон33 e-
Animated Bohr model of As (Мишьяк)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Мишьяк0102030405060708090100110120130140150160170180190pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энерги
proton affinity
electron affinity
ionization energy
ionization energy of As (Мишьяк)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 5
Bohr model: As (Мишьяк)
valence electron5
Lewis structure: As (Мишьяк)
electron configuration[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Bohr model of As (Мишьяк)
Orbital Diagram of As (Мишьяк)
Исэлдэлтийн зэрэг-3, -2, -1, 0, 1, 2, 3, 4, 5
Цахилгаан сөрөг чанар
2.18
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Гурван фазын цэг
appearance
Өнгө
Silver
appearancemetallic grey
Хугалах илтгэгч
1.001552
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
Хэт дамжуулагч
magnetism
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
structure
Crystal StructureSimple Trigonal (RHL)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Хатуулаг
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Дууны хурд
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
quantum number4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

жингийн тоо60
neutron number27
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin5
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

61As

жингийн тоо61
neutron number28
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

62As

жингийн тоо62
neutron number29
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

63As

жингийн тоо63
neutron number30
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

64As

жингийн тоо64
neutron number31
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
69 ± 1.4 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1995
parity+

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

65As

жингийн тоо65
neutron number32
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
130.3 ± 0.6 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1991
parity-

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

66As

жингийн тоо66
neutron number33
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
95.77 ± 0.23 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1978
parity+

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

67As

жингийн тоо67
neutron number34
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
42.5 ± 1.2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1980
parity-

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

68As

жингийн тоо68
neutron number35
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
151.6 ± 0.8 s
spin3
nuclear quadrupole moment
time of discovery or invention1971
parity+

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

69As

жингийн тоо69
neutron number36
Relative Atomic Mass
g-factor
0.6488 ± 0.0008
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
15.2 ± 0.2 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1955
parity-

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

70As

жингийн тоо70
neutron number37
Relative Atomic Mass
g-factor
0.5276 ± 0.000125
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
52.6 ± 0.3 m
spin4
nuclear quadrupole moment
0.09 ± 0.02
time of discovery or invention1950
parity+

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

71As

жингийн тоо71
neutron number38
Relative Atomic Mass
g-factor
0.6692 ± 0.0008
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
65.3 ± 0.07 h
spin5/2
nuclear quadrupole moment
-0.021 ± 0.006
time of discovery or invention1939
parity-

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

72As

жингийн тоо72
neutron number39
Relative Atomic Mass
g-factor
-1.0805 ± 0.0003
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
26 ± 0.1 h
spin2
nuclear quadrupole moment
-0.08 ± 0.02
time of discovery or invention1939
parity-

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

73As

жингийн тоо73
neutron number40
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
80.3 ± 0.06 d
spin3/2
nuclear quadrupole moment
time of discovery or invention1948
parity-

decay modeintensity
ϵ (electron capture)100%

74As

жингийн тоо74
neutron number41
Relative Atomic Mass
g-factor
-0.798 ± 0.0015
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
17.77 ± 0.02 d
spin2
nuclear quadrupole moment
time of discovery or invention1938
parity-

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

75As

жингийн тоо75
neutron number42
Relative Atomic Mass
g-factor
natural abundance
100
Цацраг идэвхт задралstable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0.311 ± 0.002
time of discovery or invention1920
parity-

76As

жингийн тоо76
neutron number43
Relative Atomic Mass
g-factor
0.45115 ± 0.0005
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.0933 ± 0.0038 d
spin2
nuclear quadrupole moment
time of discovery or invention1934
parity-

decay modeintensity
β (β decay)100%

77As

жингийн тоо77
neutron number44
Relative Atomic Mass
g-factor
0.86266666666667 ± 0.00086666666666667
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
38.79 ± 0.05 h
spin3/2
nuclear quadrupole moment
time of discovery or invention1951
parity-

decay modeintensity
β (β decay)100%

78As

жингийн тоо78
neutron number45
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
90.7 ± 0.2 m
spin2
nuclear quadrupole moment
time of discovery or invention1937
parity-

decay modeintensity
β (β decay)100%

79As

жингийн тоо79
neutron number46
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
9.01 ± 0.15 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1950
parity-

decay modeintensity
β (β decay)100%

80As

жингийн тоо80
neutron number47
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
15.2 ± 0.2 s
spin1
nuclear quadrupole moment
time of discovery or invention1954
parity+

decay modeintensity
β (β decay)100%

81As

жингийн тоо81
neutron number48
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
33.3 ± 0.8 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%

82As

жингийн тоо82
neutron number49
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
19.1 ± 0.5 s
spin2
nuclear quadrupole moment
time of discovery or invention1968
parity-

decay modeintensity
β (β decay)100%

83As

жингийн тоо83
neutron number50
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
13.4 ± 0.4 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

decay modeintensity
β (β decay)100%

84As

жингийн тоо84
neutron number51
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
3.16 ± 0.58 s
spin2
nuclear quadrupole moment
time of discovery or invention1968
parity-

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

85As

жингийн тоо85
neutron number52
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.022 ± 0.007 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1967
parity-

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

86As

жингийн тоо86
neutron number53
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
945 ± 8 ms
spin1
nuclear quadrupole moment
time of discovery or invention1973
parity-

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

87As

жингийн тоо87
neutron number54
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
492 ± 25 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

88As

жингийн тоо88
neutron number55
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
270 ± 150 ms
spin
nuclear quadrupole moment
time of discovery or invention1994
parity

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

89As

жингийн тоо89
neutron number56
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention1994
parity-

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

90As

жингийн тоо90
neutron number57
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention1997
parity

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

91As

жингийн тоо91
neutron number58
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention1997
parity-

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

92As

жингийн тоо92
neutron number59
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention1997
parity

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

түүх

discoverer or inventorKnown to the ancients.
location of discovery
time of discovery or invention
etymologyGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (англи)

source

Abundance
Abundance in Earth's crust
natural abundance (Далай)
natural abundance (Хүний бие)
0.000005 %
natural abundance (Солир)
0.00018 %
natural abundance (Нар)
Abundance in Universe
0.0000008 %

Nuclear Screening Constants

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