Brom

Brom (Br)

hemijski element sa simbolom Br i atomskim brojem 35
Atomic Number35
Atomic Weight79.904
Maseni broj79
Group17
Period4
Blockp
Proton35 p+
Neutron44 n0
Elektron35 e-
Animated Bohrov model atoma of Br (Brom)

Physical Property

Atomski Radijus
115 pm
Molarni volumen
covalent radius
114 pm
Metallic Radius
Ionski radijus
196 pm
Crystal Radius
182 pm
Van der Waalsov radijus
185 pm
gustoća
3,1028 g/cm³
Atomic Radii Of The Elements: Brom0102030405060708090100110120130140150160170180190pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
554,4 kJ/mol
electron affinity
3,3635882 eV/particle
ionization energy
11,81381 eV/particle
ionization energy of Br (Brom)
Toplota isparavanja
29,56 kJ/mol
toplota topljenja
10,57 kJ/mol
standard enthalpy of formation
111,85 kJ/mol
Elektron
electron shell2, 8, 18, 7
Bohrov model atoma: Br (Brom)
Valentni elektron7
Lewis structure: Br (Brom)
electron configuration[Ar] 3d10 4s2 4p5
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
Enhanced Bohrov model atoma of Br (Brom)
Orbital Diagram of Br (Brom)
oksidacijsko stanje-1, 1, 2, 3, 4, 5, 7
Elektronegativnost
2.96
Electrophilicity Index
3,4075054710599915 eV/particle
fundamental state of matter
agregatno stanjeLiquid
gaseous state of matter
Boiling Point
331,95 K
Melting Point
265,95 K
critical pressure
10,34 MPa
Kritična temperatura
588,15 K
Trojna tačka
265,9 K
5,879 kPa
appearance
boja
Red
appearance
Indeks prelamanja
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
0,474 J/(g⋅K)
heat capacity ratio
electrical properties
typeInsulator
Specifična električna provodljivost
0,0000000000000001 MS/m
electrical resistivity
10.000.000.000 m Ω
Superprovodljivost
Magnetizam
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000049 m³/Kg
magnetic susceptibility (Molar)
-0,000000000783 m³/mol
magnetic susceptibility (Volume)
-0,0000153
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
6,67 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
bulk modulus
1,9 GPa
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
klasifikacija
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
Kvantni brojevi2P3/2
space group64 (Cmca)

Isotopes of Bromine

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

65Br

Maseni broj65
broj neutrona30
relative atomic mass
64,982297 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

66Br

Maseni broj66
broj neutrona31
relative atomic mass
65,974697 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

decay modeintensity
p (proton emission)

67Br

Maseni broj67
broj neutrona32
relative atomic mass
66,965078 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića
parity-

decay modeintensity
p (proton emission)

68Br

Maseni broj68
broj neutrona33
relative atomic mass
67,958356 ± 0,000278 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3
nuclear quadrupole moment
datum otkrića1995
parity+

decay modeintensity
p (proton emission)

69Br

Maseni broj69
broj neutrona34
relative atomic mass
68,95033841 ± 0,000045091 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića1988
parity-

decay modeintensity
p (proton emission)100%

70Br

Maseni broj70
broj neutrona35
relative atomic mass
69,944792321 ± 0,000016 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
78,8 ± 0,3 ms
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

71Br

Maseni broj71
broj neutrona36
relative atomic mass
70,939342153 ± 0,000005799 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,4 ± 0,6 s
spin5/2
nuclear quadrupole moment
datum otkrića1981
parity

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

72Br

Maseni broj72
broj neutrona37
relative atomic mass
71,936594606 ± 0,0000011 Da
g-factor
0,6 ± 0,1
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
78,6 ± 2,4 s
spin1
nuclear quadrupole moment
datum otkrića1970
parity+

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

73Br

Maseni broj73
broj neutrona38
relative atomic mass
72,931673441 ± 0,000007237 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,4 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1970
parity-

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

74Br

Maseni broj74
broj neutrona39
relative atomic mass
73,929910279 ± 0,000006264 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25,4 ± 0,3 m
spin0
nuclear quadrupole moment
0
datum otkrića1952
parity-

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

75Br

Maseni broj75
broj neutrona40
relative atomic mass
74,925810566 ± 0,0000046 Da
g-factor
0,50666666666667 ± 0,12
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
96,7 ± 1,3 m
spin3/2
nuclear quadrupole moment
datum otkrića1948
parity-

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

76Br

Maseni broj76
broj neutrona41
relative atomic mass
75,924541574 ± 0,000010007 Da
g-factor
0,5477 ± 0,0001
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
16,2 ± 0,2 h
spin1
nuclear quadrupole moment
0,251 ± 0,004
datum otkrića1952
parity-

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

77Br

Maseni broj77
broj neutrona42
relative atomic mass
76,921379193 ± 0,000003017 Da
g-factor
0,64873333333333 ± 0,0004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
57,04 ± 0,12 h
spin3/2
nuclear quadrupole moment
0,5 ± 0,02
datum otkrića1948
parity-

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

78Br

Maseni broj78
broj neutrona43
relative atomic mass
77,921145858 ± 0,000003842 Da
g-factor
0,13 ± 0,03
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,45 ± 0,04 m
spin1
nuclear quadrupole moment
datum otkrića1937
parity+

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

79Br

Maseni broj79
broj neutrona44
relative atomic mass
78,918337574 ± 0,000001074 Da
g-factor
natural abundance
50,65 ± 0,09
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,3087 ± 0,0002
datum otkrića1920
parity-

80Br

Maseni broj80
broj neutrona45
relative atomic mass
79,918529784 ± 0,000001065 Da
g-factor
0,5135 ± 0,0006
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,68 ± 0,02 m
spin1
nuclear quadrupole moment
0,182 ± 0,003
datum otkrića1937
parity+

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

81Br

Maseni broj81
broj neutrona46
relative atomic mass
80,916288197 ± 0,000001049 Da
g-factor
natural abundance
49,35 ± 0,09
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
datum otkrića1920
parity-

82Br

Maseni broj82
broj neutrona47
relative atomic mass
81,916801752 ± 0,000001042 Da
g-factor
0,32512 ± 0,00012
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
35,282 ± 0,007 h
spin5
nuclear quadrupole moment
0,697 ± 0,01
datum otkrića1937
parity-

decay modeintensity
β (β decay)100%

83Br

Maseni broj83
broj neutrona48
relative atomic mass
82,915175285 ± 0,000004073 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,374 ± 0,004 h
spin3/2
nuclear quadrupole moment
datum otkrića1937
parity-

decay modeintensity
β (β decay)100%

84Br

Maseni broj84
broj neutrona49
relative atomic mass
83,916496417 ± 0,000027622 Da
g-factor
0,95 ± 0,35
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31,76 ± 0,08 m
spin2
nuclear quadrupole moment
datum otkrića1943
parity-

decay modeintensity
β (β decay)100%

85Br

Maseni broj85
broj neutrona50
relative atomic mass
84,915645758 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,9 ± 0,06 m
spin3/2
nuclear quadrupole moment
datum otkrića1943
parity-

decay modeintensity
β (β decay)100%

86Br

Maseni broj86
broj neutrona51
relative atomic mass
85,918805432 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
55,1 ± 0,4 s
spin1
nuclear quadrupole moment
datum otkrića1962
parity-

decay modeintensity
β (β decay)100%

87Br

Maseni broj87
broj neutrona52
relative atomic mass
86,920674016 ± 0,000003404 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
55,68 ± 0,12 s
spin5/2
nuclear quadrupole moment
datum otkrića1943
parity-

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

88Br

Maseni broj88
broj neutrona53
relative atomic mass
87,92408329 ± 0,000003404 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
16,34 ± 0,08 s
spin1
nuclear quadrupole moment
datum otkrića1948
parity-

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

89Br

Maseni broj89
broj neutrona54
relative atomic mass
88,926704558 ± 0,000003504 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,357 ± 0,022 s
spin3/2
nuclear quadrupole moment
datum otkrića1959
parity-

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

90Br

Maseni broj90
broj neutrona55
relative atomic mass
89,931292848 ± 0,000003604 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,91 ± 0,01 s
spin
nuclear quadrupole moment
datum otkrića1959
parity

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

91Br

Maseni broj91
broj neutrona56
relative atomic mass
90,934398617 ± 0,000003804 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
543 ± 4 ms
spin5/2
nuclear quadrupole moment
datum otkrića1974
parity-

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

92Br

Maseni broj92
broj neutrona57
relative atomic mass
91,939631595 ± 0,000007202 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
314 ± 16 ms
spin2
nuclear quadrupole moment
datum otkrića1974
parity-

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

93Br

Maseni broj93
broj neutrona58
relative atomic mass
92,94322 ± 0,0004625 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
152 ± 8 ms
spin5/2
nuclear quadrupole moment
datum otkrića1981
parity-

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

94Br

Maseni broj94
broj neutrona59
relative atomic mass
93,948846 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
70 ± 20 ms
spin2
nuclear quadrupole moment
datum otkrića1981
parity-

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

95Br

Maseni broj95
broj neutrona60
relative atomic mass
94,952925 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity-

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

96Br

Maseni broj96
broj neutrona61
relative atomic mass
95,95898 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića1997
parity

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

97Br

Maseni broj97
broj neutrona62
relative atomic mass
96,963499 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity-

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

98Br

Maseni broj98
broj neutrona63
relative atomic mass
97,969887 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića2010
parity

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

historija

otkrivač ili izumiteljAntoine J. Balard
mjesto otkrićaFrance
datum otkrića1826
EtimologijaGreek: brômos (stench).
pronunciationBRO-meen (engleski)

izvor

Abundance
Abundance in Earth's crust
2,4 mg/kg
natural abundance (okean)
67,3 mg/L
natural abundance (ljudsko tijelo)
0,00029 %
natural abundance (Meteoroidi)
0,00012 %
natural abundance (Sunce)
Abundance in Universe
0,0000007 %

Nuclear Screening Constants

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