Brom (Br)

hemijski element sa simbolom Br i atomskim brojem 35

Atomic Number	35
Atomic Weight	79.904
Maseni broj	79

Group	17
Period	4
Block	p

Proton	35 p⁺
Neutron	44 n⁰
Elektron	35 e^-

Animated Bohrov model atoma of Br (Brom)

Physical Property

Atomski Radijus	115 pm 219 pm
Molarni volumen	23,5 cm³/mol
covalent radius	114 pm 109 pm 110 pm 119 pm 120 pm
Metallic Radius	117 pm
Ionski radijus	196 pm 59 pm 31 pm 25 pm 39 pm
Crystal Radius	182 pm 73 pm 45 pm 39 pm 53 pm
Van der Waalsov radijus	190 pm 183 pm 395 pm 185 pm 222 pm 187 pm 418,9 pm
gustoća	3,1028 g/cm³ 3.120 kg/m³

Chemical Property

energija

proton affinity	554,4 kJ/mol
electron affinity	3,3635882 eV/particle
ionization energy	11,81381 eV/particle 21,591 eV/particle 35 eV/particle 47,78 eV/particle 59,595 eV/particle 85,1 eV/particle 103 eV/particle 192,61 eV/particle 224 eV/particle 261 eV/particle 301 eV/particle 338 eV/particle 393 eV/particle 436 eV/particle 481 eV/particle 530 eV/particle 577 eV/particle 716,3 eV/particle 760,99 eV/particle 809,8 eV/particle 870 eV/particle 920,8 eV/particle 963 eV/particle 1.070,6 eV/particle 1.119,169 eV/particle 2.731 eV/particle 2.870 eV/particle 3.020 eV/particle 3.169 eV/particle 3.361 eV/particle 3.523,1 eV/particle 3.735 eV/particle 3.868,986 eV/particle 16.317,01 eV/particle 16.937,126 eV/particle

Toplota isparavanja	29,56 kJ/mol
toplota topljenja	10,57 kJ/mol
standard enthalpy of formation	111,85 kJ/mol
Elektron

electron shell	2, 8, 18, 7

Valentni elektron	7 ⓘ

electron configuration	[Ar] 3d¹⁰ 4s² 4p⁵ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁵

oksidacijsko stanje	-1, 1, 2, 3, 4, 5, 7
Elektronegativnost	15,88 eV/particle 0.2412578 2.96
Electrophilicity Index	3,4075054710599915 eV/particle
fundamental state of matter

agregatno stanje	Liquid
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 #a52a2a #a62929 #a62929
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
type	Insulator
Specifična električna provodljivost	0,0000000000000001 MS/m
electrical resistivity	10.000.000.000 Ω*m
Superprovodljivost
Magnetizam
type	diamagnetic
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 Structure	Base Centered Orthorhombic (ORC)
lattice constant	6,67 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Tvrdoća
bulk modulus	1,9 GPa
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
klasifikacija
Category	Halogens, Halogens
CAS Group	VIIB
IUPAC Group	VIIA
Glawe Number	100
Mendeleev Number	108
Pettifor Number	98
Geochemical Class	semi-volatile
Goldschmidt classification	litophile

other

Gas Basicity	531,2 kJ/mol
polarizability	21 ± 1 a₀
C6 Dispersion Coefficient	162 a₀ 187 a₀
allotrope	Dibromine
Neutron cross section	6,8
Neutron Mass Absorption	0,002
Kvantni brojevi	2P3/2
space group	64 (Cmca)

Isotopes of Bromine

Stable Isotopes	2
Unstable Isotopes	32
Natural Isotopes	2

⁶⁵Br

Maseni broj	65
broj neutrona	30
Relative Atomic Mass	64,982297 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića
parity	-

decay mode	intensity
p (proton emission)

⁶⁶Br

Maseni broj	66
broj neutrona	31
Relative Atomic Mass	65,974697 ± 0,000429 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
datum otkrića
parity	+

decay mode	intensity
p (proton emission)

⁶⁷Br

Maseni broj	67
broj neutrona	32
Relative Atomic Mass	66,965078 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
datum otkrića
parity	-

decay mode	intensity
p (proton emission)

⁶⁸Br

Maseni broj	68
broj neutrona	33
Relative Atomic Mass	67,958356 ± 0,000278 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3
nuclear quadrupole moment
datum otkrića	1995
parity	+

decay mode	intensity
p (proton emission)

⁶⁹Br

Maseni broj	69
broj neutrona	34
Relative Atomic Mass	68,95033841 ± 0,000045091 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića	1988
parity	-

decay mode	intensity
p (proton emission)	100%

⁷⁰Br

Maseni broj	70
broj neutrona	35
Relative Atomic Mass	69,944792321 ± 0,000016 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	78,8 ± 0,3 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1978
parity	+

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

⁷¹Br

Maseni broj	71
broj neutrona	36
Relative Atomic Mass	70,939342153 ± 0,000005799 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21,4 ± 0,6 s
spin	5/2
nuclear quadrupole moment
datum otkrića	1981
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷²Br

Maseni broj	72
broj neutrona	37
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
spin	1
nuclear quadrupole moment
datum otkrića	1970
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷³Br

Maseni broj	73
broj neutrona	38
Relative Atomic Mass	72,931673441 ± 0,000007237 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,4 ± 0,2 m
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1970
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁴Br

Maseni broj	74
broj neutrona	39
Relative Atomic Mass	73,929910279 ± 0,000006264 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	25,4 ± 0,3 m
spin	0
nuclear quadrupole moment	0
datum otkrića	1952
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁵Br

Maseni broj	75
broj neutrona	40
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
spin	3/2
nuclear quadrupole moment
datum otkrića	1948
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁶Br

Maseni broj	76
broj neutrona	41
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
spin	1
nuclear quadrupole moment	0,251 ± 0,004
datum otkrića	1952
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁷Br

Maseni broj	77
broj neutrona	42
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
spin	3/2
nuclear quadrupole moment	0,5 ± 0,02
datum otkrića	1948
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁸Br

Maseni broj	78
broj neutrona	43
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
spin	1
nuclear quadrupole moment
datum otkrića	1937
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁻ (β⁻ decay)	0.01%

⁷⁹Br

Maseni broj	79
broj neutrona	44
Relative Atomic Mass	78,918337574 ± 0,000001074 Da
g-factor
natural abundance	50,65 ± 0,09
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,3087 ± 0,0002
datum otkrića	1920
parity	-

⁸⁰Br

Maseni broj	80
broj neutrona	45
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
spin	1
nuclear quadrupole moment	0,182 ± 0,003
datum otkrića	1937
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	91.7%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	8.3%

⁸¹Br

Maseni broj	81
broj neutrona	46
Relative Atomic Mass	80,916288197 ± 0,000001049 Da
g-factor
natural abundance	49,35 ± 0,09
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment
datum otkrića	1920
parity	-

⁸²Br

Maseni broj	82
broj neutrona	47
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
spin	5
nuclear quadrupole moment	0,697 ± 0,01
datum otkrića	1937
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸³Br

Maseni broj	83
broj neutrona	48
Relative Atomic Mass	82,915175285 ± 0,000004073 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,374 ± 0,004 h
spin	3/2
nuclear quadrupole moment
datum otkrića	1937
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸⁴Br

Maseni broj	84
broj neutrona	49
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
spin	2
nuclear quadrupole moment
datum otkrića	1943
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸⁵Br

Maseni broj	85
broj neutrona	50
Relative Atomic Mass	84,915645758 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,9 ± 0,06 m
spin	3/2
nuclear quadrupole moment
datum otkrića	1943
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸⁶Br

Maseni broj	86
broj neutrona	51
Relative Atomic Mass	85,918805432 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	55,1 ± 0,4 s
spin	1
nuclear quadrupole moment
datum otkrića	1962
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸⁷Br

Maseni broj	87
broj neutrona	52
Relative Atomic Mass	86,920674016 ± 0,000003404 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	55,68 ± 0,12 s
spin	5/2
nuclear quadrupole moment
datum otkrića	1943
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.6%

⁸⁸Br

Maseni broj	88
broj neutrona	53
Relative Atomic Mass	87,92408329 ± 0,000003404 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	16,34 ± 0,08 s
spin	1
nuclear quadrupole moment
datum otkrića	1948
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.58%

⁸⁹Br

Maseni broj	89
broj neutrona	54
Relative Atomic Mass	88,926704558 ± 0,000003504 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,357 ± 0,022 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1959
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	13.8%

⁹⁰Br

Maseni broj	90
broj neutrona	55
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 otkrića	1959
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	25.3%

⁹¹Br

Maseni broj	91
broj neutrona	56
Relative Atomic Mass	90,934398617 ± 0,000003804 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	543 ± 4 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1974
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	29.5%

⁹²Br

Maseni broj	92
broj neutrona	57
Relative Atomic Mass	91,939631595 ± 0,000007202 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	314 ± 16 ms
spin	2
nuclear quadrupole moment
datum otkrića	1974
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	33.1%
2n (2-neutron emission)

⁹³Br

Maseni broj	93
broj neutrona	58
Relative Atomic Mass	92,94322 ± 0,0004625 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	152 ± 8 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1981
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	64%
2n (2-neutron emission)

⁹⁴Br

Maseni broj	94
broj neutrona	59
Relative Atomic Mass	93,948846 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	70 ± 20 ms
spin	2
nuclear quadrupole moment
datum otkrića	1981
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	68%
2n (2-neutron emission)

⁹⁵Br

Maseni broj	95
broj neutrona	60
Relative Atomic Mass	94,952925 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića	1997
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹⁶Br

Maseni broj	96
broj neutrona	61
Relative Atomic Mass	95,95898 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića	1997
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹⁷Br

Maseni broj	97
broj neutrona	62
Relative Atomic Mass	96,963499 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića	1997
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹⁸Br

Maseni broj	98
broj neutrona	63
Relative Atomic Mass	97,969887 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića	2010
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

historija

otkrivač ili izumitelj	Antoine J. Balard
mjesto otkrića	France
datum otkrića	1826
Etimologija	Greek: brômos (stench).
pronunciation	BRO-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

1	s	0.7529
2	p	3.9436
2	s	9.3566
3	d	15.4409
3	p	15.4292
3	s	14.7815
4	p	25.972
4	s	24.4472

Brom on ChemicalAid

AAT identifikator	300389668
AGROVOC ID	c_1106
Australian Educational Vocabulary ID	scot/2843
BNCF pojmovnik	31087
BNF kod	12166058m
Brockhaus Enzyklopädie online ID	brom
CAS broj	7726-95-6
ChEBI ID	33117
Den Store Danske ID	brom
Encyclopædia Britannica Online ID	science/bromine
Encyclopædia Universalis ID	brome
French Vikidia ID	Brome
GND	4146635-4
Golden ID	Bromine-M688
Great Russian Encyclopedia Online ID	1884358
Hrvatska enciklopedija ID	9679
Human Metabolome Database ID	HMDB0031434
ID Quora teme	Bromine
ID na KBpediji	Bromine
Krugosvet article	nauka_i_tehnika/himiya/BROM.html
LCCN	sh85017053
MeSH ID	D001966
NKC identifikator	ph543046
Namuwiki ID	브로민
National Library of Israel J9U ID	987007292426505171
OmegaWiki određeno značenje	434
Online PWN Encyclopedia ID	3880864
OpenAlex ID	C517835270
PSH ID	5813
Spanish Vikidia ID	Bromo
Store medisinske leksikon ID	brom
Store norske leksikon ID	brom
Treccani ID	bromo
USGS Thesaurus ID	1414
Web NDL autoriteti	00572452
WordNet 3.1 Synset ID	14656307-n
YSO ID	7981
broj na Freebaseu	/m/025svll

Brom (Br)

Physical Property

Chemical Property

other

Isotopes of Bromine

65Br

66Br

67Br

68Br

69Br

70Br

71Br

72Br

73Br

74Br

75Br

76Br

77Br

78Br

79Br

80Br

81Br

82Br

83Br

84Br

85Br

86Br

87Br

88Br

89Br

90Br

91Br

92Br

93Br

94Br

95Br

96Br

97Br

98Br

historija

izvor

Nuclear Screening Constants

⁶⁵Br

⁶⁶Br

⁶⁷Br

⁶⁸Br

⁶⁹Br

⁷⁰Br

⁷¹Br

⁷²Br

⁷³Br

⁷⁴Br

⁷⁵Br

⁷⁶Br

⁷⁷Br

⁷⁸Br

⁷⁹Br

⁸⁰Br

⁸¹Br

⁸²Br

⁸³Br

⁸⁴Br

⁸⁵Br

⁸⁶Br

⁸⁷Br

⁸⁸Br

⁸⁹Br

⁹⁰Br

⁹¹Br

⁹²Br

⁹³Br

⁹⁴Br

⁹⁵Br

⁹⁶Br

⁹⁷Br

⁹⁸Br