Бром

Бром (Br)

chemical element with symbol Br and atomic number 35
Atomic Number35
Atomic Weight79.904
Адади массавӣ79
Group17
Period4
Blockp
proton35 p+
neutron44 n0
electron35 e-
Animated Bohr model of Br (Бром)

Хусусияти Физикӣ

Atomic Radius
115 pm
molar volume
covalent radius
114 pm
Metallic Radius
ionic radius
196 pm
Crystal Radius
182 pm
Van der Waals radius
185 pm
зичӣ
3,1028 g/cm³
Atomic Radii Of The Elements: Бром0102030405060708090100110120130140150160170180190pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
554,4 kJ/mol
electron affinity
3,3635882 eV/particle
ionization energy
11,81381 eV/particle
ionization energy of Br (Бром)
enthalpy of vaporization
29,56 kJ/mol
гармои гудозиш
10,57 kJ/mol
standard enthalpy of formation
111,85 kJ/mol
electron
Абри электронӣ2, 8, 18, 7
Bohr model: Br (Бром)
valence electron7
Lewis structure: Br (Бром)
electron configuration[Ar] 3d10 4s2 4p5
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
Enhanced Bohr model of Br (Бром)
Orbital Diagram of Br (Бром)
oxidation number-1, 1, 2, 3, 4, 5, 7
electronegativity
2.96
Electrophilicity Index
3,4075054710599915 eV/particle
fundamental state of matter
phase of matterLiquid
gaseous state of matter
Boiling Point
331,95 K
Melting Point
265,95 K
critical pressure
10,34 MPa
critical temperature
588,15 K
triple point
265,9 K
5,879 kPa
appearance
Ранг
Red
appearance
refractive index
1,001132
thermodynamic material property
Thermal Conductivity
0,005 W/(m K)
thermal expansion
molar heat capacity
75,69 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
навъInsulator
electrical conductivity
0,0000000000000001 MS/m
electrical resistivity
10 000 000 000 m Ω
superconductivity
magnetism
навъdiamagnetic
magnetic susceptibility (Mass)
-0,0000000049 m³/Kg
magnetic susceptibility (Molar)
-0,000000000783 m³/mol
magnetic susceptibility (Volume)
-0,0000153
magnetic ordering
Curie temperature
Néel temperature
сохт
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
6,67 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
1,9 GPa
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryHalogens, Halogens
CAS GroupVIIB
IUPAC GroupVIIA
Glawe Number100
Mendeleev Number108
Pettifor Number98
Geochemical Classsemi-volatile
Goldschmidt classificationlitophile

other

Gas Basicity
531,2 kJ/mol
polarizability
21 ± 1 a₀
C6 Dispersion Coefficient
162 a₀
allotropeDibromine
Neutron cross section
6,8
Neutron Mass Absorption
0,002
ададҳои квантӣ2P3/2
space group64 (Cmca)

Isotopes of Bromine

Stable Isotopes2
Unstable Isotopes32
Natural Isotopes2
Isotopic Composition7950.65%7950.65%8149.35%8149.35%

65Br

Адади массавӣ65
neutron number30
relative atomic mass
64,982297 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

66Br

Адади массавӣ66
neutron number31
relative atomic mass
65,974697 ± 0,000429 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф
parity+

decay modeintensity
p (proton emission)

67Br

Адади массавӣ67
neutron number32
relative atomic mass
66,965078 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф
parity-

decay modeintensity
p (proton emission)

68Br

Адади массавӣ68
neutron number33
relative atomic mass
67,958356 ± 0,000278 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3
nuclear quadrupole moment
таърихи кашф1995
parity+

decay modeintensity
p (proton emission)

69Br

Адади массавӣ69
neutron number34
relative atomic mass
68,95033841 ± 0,000045091 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф1988
parity-

decay modeintensity
p (proton emission)100%

70Br

Адади массавӣ70
neutron number35
relative atomic mass
69,944792321 ± 0,000016 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
78,8 ± 0,3 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1978
parity+

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

71Br

Адади массавӣ71
neutron number36
relative atomic mass
70,939342153 ± 0,000005799 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
21,4 ± 0,6 s
spin5/2
nuclear quadrupole moment
таърихи кашф1981
parity

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

72Br

Адади массавӣ72
neutron number37
relative atomic mass
71,936594606 ± 0,0000011 Da
g-factor
0,6 ± 0,1
natural abundance
radioactivity☢️ radioactive element
half-life
78,6 ± 2,4 s
spin1
nuclear quadrupole moment
таърихи кашф1970
parity+

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

73Br

Адади массавӣ73
neutron number38
relative atomic mass
72,931673441 ± 0,000007237 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,4 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1970
parity-

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

74Br

Адади массавӣ74
neutron number39
relative atomic mass
73,929910279 ± 0,000006264 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
25,4 ± 0,3 m
spin0
nuclear quadrupole moment
0
таърихи кашф1952
parity-

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

75Br

Адади массавӣ75
neutron number40
relative atomic mass
74,925810566 ± 0,0000046 Da
g-factor
0,50666666666667 ± 0,12
natural abundance
radioactivity☢️ radioactive element
half-life
96,7 ± 1,3 m
spin3/2
nuclear quadrupole moment
таърихи кашф1948
parity-

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

76Br

Адади массавӣ76
neutron number41
relative atomic mass
75,924541574 ± 0,000010007 Da
g-factor
0,5477 ± 0,0001
natural abundance
radioactivity☢️ radioactive element
half-life
16,2 ± 0,2 h
spin1
nuclear quadrupole moment
0,251 ± 0,004
таърихи кашф1952
parity-

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

77Br

Адади массавӣ77
neutron number42
relative atomic mass
76,921379193 ± 0,000003017 Da
g-factor
0,64873333333333 ± 0,0004
natural abundance
radioactivity☢️ radioactive element
half-life
57,04 ± 0,12 h
spin3/2
nuclear quadrupole moment
0,5 ± 0,02
таърихи кашф1948
parity-

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

78Br

Адади массавӣ78
neutron number43
relative atomic mass
77,921145858 ± 0,000003842 Da
g-factor
0,13 ± 0,03
natural abundance
radioactivity☢️ radioactive element
half-life
6,45 ± 0,04 m
spin1
nuclear quadrupole moment
таърихи кашф1937
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β (β decay)0.01%

79Br

Адади массавӣ79
neutron number44
relative atomic mass
78,918337574 ± 0,000001074 Da
g-factor
natural abundance
50,65 ± 0,09
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,3087 ± 0,0002
таърихи кашф1920
parity-

80Br

Адади массавӣ80
neutron number45
relative atomic mass
79,918529784 ± 0,000001065 Da
g-factor
0,5135 ± 0,0006
natural abundance
radioactivity☢️ radioactive element
half-life
17,68 ± 0,02 m
spin1
nuclear quadrupole moment
0,182 ± 0,003
таърихи кашф1937
parity+

decay modeintensity
β (β decay)91.7%
β+ (β+ decay; β+ = ϵ + e+)8.3%

81Br

Адади массавӣ81
neutron number46
relative atomic mass
80,916288197 ± 0,000001049 Da
g-factor
natural abundance
49,35 ± 0,09
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
таърихи кашф1920
parity-

82Br

Адади массавӣ82
neutron number47
relative atomic mass
81,916801752 ± 0,000001042 Da
g-factor
0,32512 ± 0,00012
natural abundance
radioactivity☢️ radioactive element
half-life
35,282 ± 0,007 h
spin5
nuclear quadrupole moment
0,697 ± 0,01
таърихи кашф1937
parity-

decay modeintensity
β (β decay)100%

83Br

Адади массавӣ83
neutron number48
relative atomic mass
82,915175285 ± 0,000004073 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,374 ± 0,004 h
spin3/2
nuclear quadrupole moment
таърихи кашф1937
parity-

decay modeintensity
β (β decay)100%

84Br

Адади массавӣ84
neutron number49
relative atomic mass
83,916496417 ± 0,000027622 Da
g-factor
0,95 ± 0,35
natural abundance
radioactivity☢️ radioactive element
half-life
31,76 ± 0,08 m
spin2
nuclear quadrupole moment
таърихи кашф1943
parity-

decay modeintensity
β (β decay)100%

85Br

Адади массавӣ85
neutron number50
relative atomic mass
84,915645758 ± 0,000003304 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,9 ± 0,06 m
spin3/2
nuclear quadrupole moment
таърихи кашф1943
parity-

decay modeintensity
β (β decay)100%

86Br

Адади массавӣ86
neutron number51
relative atomic mass
85,918805432 ± 0,000003304 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
55,1 ± 0,4 s
spin1
nuclear quadrupole moment
таърихи кашф1962
parity-

decay modeintensity
β (β decay)100%

87Br

Адади массавӣ87
neutron number52
relative atomic mass
86,920674016 ± 0,000003404 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
55,68 ± 0,12 s
spin5/2
nuclear quadrupole moment
таърихи кашф1943
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.6%

88Br

Адади массавӣ88
neutron number53
relative atomic mass
87,92408329 ± 0,000003404 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
16,34 ± 0,08 s
spin1
nuclear quadrupole moment
таърихи кашф1948
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)6.58%

89Br

Адади массавӣ89
neutron number54
relative atomic mass
88,926704558 ± 0,000003504 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,357 ± 0,022 s
spin3/2
nuclear quadrupole moment
таърихи кашф1959
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)13.8%

90Br

Адади массавӣ90
neutron number55
relative atomic mass
89,931292848 ± 0,000003604 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,91 ± 0,01 s
spin
nuclear quadrupole moment
таърихи кашф1959
parity

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)25.3%

91Br

Адади массавӣ91
neutron number56
relative atomic mass
90,934398617 ± 0,000003804 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
543 ± 4 ms
spin5/2
nuclear quadrupole moment
таърихи кашф1974
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)29.5%

92Br

Адади массавӣ92
neutron number57
relative atomic mass
91,939631595 ± 0,000007202 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
314 ± 16 ms
spin2
nuclear quadrupole moment
таърихи кашф1974
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)33.1%
2n (2-neutron emission)

93Br

Адади массавӣ93
neutron number58
relative atomic mass
92,94322 ± 0,0004625 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
152 ± 8 ms
spin5/2
nuclear quadrupole moment
таърихи кашф1981
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)64%
2n (2-neutron emission)

94Br

Адади массавӣ94
neutron number59
relative atomic mass
93,948846 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
70 ± 20 ms
spin2
nuclear quadrupole moment
таърихи кашф1981
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)68%
2n (2-neutron emission)

95Br

Адади массавӣ95
neutron number60
relative atomic mass
94,952925 ± 0,000322 Da
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)

96Br

Адади массавӣ96
neutron number61
relative atomic mass
95,95898 ± 0,000322 Da
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)

97Br

Адади массавӣ97
neutron number62
relative atomic mass
96,963499 ± 0,000429 Da
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)

98Br

Адади массавӣ98
neutron number63
relative atomic mass
97,969887 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф2010
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Bromine vial in acrylic cube

таърих

кошифAntoine J. Balard
макони кашфFrance
таърихи кашф1826
РешашиносӣGreek: brômos (stench).
pronunciationBRO-meen (Англисӣ)

source

Abundance
Abundance in Earth's crust
2,4 mg/kg
natural abundance (Уқёнус)
67,3 mg/L
natural abundance (human body)
0,00029 %
natural abundance (meteoroid)
0,00012 %
natural abundance (Офтоб)
Abundance in Universe
0,0000007 %

Nuclear Screening Constants

1s0.7529
2p3.9436
2s9.3566
3d15.4409
3p15.4292
3s14.7815
4p25.972
4s24.4472