Bromine Element (Periodic Table)

Bromine (Br) is a chemical element of the periodic table, located in the group 17 and the period 4, and has the atomic number 35. It is a reddish-brown liquid, whose name comes from the Greek word “bromos”, which means stench. It is a reactive nonmetal and is the third lightest halogen, after the chlorine element.

group

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

period

1

1 H

2 He

2

3 Li

4 Be

5 B

6 C

7 N

8 O

9 F

10 Ne

3

11 Na

12 Mg

13 Al

14 Si

15 P

16 S

17 Cl

18 Ar

4

19 K

20 Ca

21 Sc

22 Ti

23 V

24 Cr

25 Mn

26 Fe

27 Co

28 Ni

29 Cu

30 Zn

31 Ga

32 Ge

33 As

34 Se

35 Br

36 Kr

5

37 Rb

38 Sr

39 Y

40 Zr

41 Nb

42 Mo

43 Tc

44 Ru

45 Rh

46 Pd

47 Ag

48 Cd

49 In

50 Sn

51 Sb

52 Te

53 I

54 Xe

6

55 Cs

56 Ba

72 Hf

73 Ta

74 W

75 Re

76 Os

77 Ir

78 Pt

79 Au

80 Hg

81 Tl

82 Pb

83 Bi

84 Po

85 At

86 Rn

7

87 Fr

88 Ra

104 Rf

105 Db

106 Sg

107 Bh

108 Hs

109 Mt

110 Ds

111 Rg

112 Cn

113 Nh

114 Fl

115 Mc

116 Lv

117 Ts

118 Og

57 La

58 Ce

59 Pr

60 Nd

61 Pm

62 Sm

63 Eu

64 Gd

65 Tb

66 Dy

67 Ho

68 Er

69 Tm

70 Yb

71 Lu

89 Ac

90 Th

91 Pa

92 U

93 Np

94 Pu

95 Am

96 Cm

97 Bk

98 Cf

99 Es

100 Fm

101 Md

102 No

103 Lr

– p block

Bromine Element Information

Bromine is found in the fourth row of the periodic table, next to the selenium element.
Origin of name	Greek word “bromos” (which means stench)
Symbol	Br
Atomic number (Z)	35
Atomic mass	79.904 u
Block	p-block
Group	17 (halogen)
Period	4
Classification	Reactive nonmetal
Atomic radius	120 pm
Covalent radius	120±3 pm
Van der Waals radius	185 pm
Melting point	-7.2 ℃, 19 ℉, 265.8 K
Boiling point	58.8 ℃, 137.8 ℉, 332.0 K
Electron configuration	[Ar] 3d10 4s2 4p5
Learn how to write: Bromine Electron Configuration
Electrons per shell	2, 8, 18, 7
Learn how to draw: Bromine Bohr Model
Crystal structure	Orthorhombic
Phase at r.t	Liquid
Density near r.t	3.1028 g/cm3
Main isotopes	Bromine-79, Bromine-81
Natural occurrence	Primordial
Oxidation state	-1, +1, +3, +5
Electronegativity (Pauling scale)	2.96
Protons Neutrons Electrons	35 45 35
Learn how to find: Bromine Protons Neutrons Electrons
Valence electrons	7
Learn how to find: Bromine Valence Electrons
CAS number	7726-95-6
Discovered by	Antoine Jérôme Balard and Carl Jacob Löwig in 1825

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Related:

• Periodic Table

More Elements:

External Links:

• https://www.rsc.org/periodic-table/element/35/bromine
• https://en.wikipedia.org/wiki/Bromine
• https://www.britannica.com/science/bromine
• https://education.jlab.org/itselemental/ele035.html
• https://pubchem.ncbi.nlm.nih.gov/element/Bromine
• https://www.chemicool.com/elements/bromine.html
• https://chemistrytalk.org/bromine-element/
• https://www.livescience.com/32072-bromine.html