Bohrium Element (Periodic Table)

Bohrium

Bohrium (Bh) is a chemical element of the periodic table, located in the group 7 and the period 7, and has the atomic number 107. It is a silvery-white transition metal, which is named after the Danish physicist, Niels Bohr. It is a transuranium element and is counted as one of the radioactive elements.

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
– d block

FAQs on Bohrium Element

Bohrium
‣ Who discovered bohrium? When was bohrium discovered?

Discovery: Gesellschaft für Schwerionenforschung (1981)
‣ Where is bohrium on the periodic table?

Bohrium Periodic Table

Location: Bohrium is found in the seventh column of the periodic table, next to the seaborgium element.
‣ What is the atomic number of bohrium?

Atomic number (Z): 107
‣ What is bohrium symbol?

Symbol: Bh
‣ What is the atomic weight for bohrium?

Standard atomic weight: [270] (unconfirmed: 278)
‣ What block is bohrium in the periodic table?

Block: d-block
‣ What group is bohrium in the periodic table?

Group: 7
‣ Period of bohrium in the periodic table

Period: 7
Bohrium atomic radius: empirical: 128 pm (predicted)
Bohrium covalent radius: 141 pm (estimated)
‣ How many electron shells does bohrium have?

Electrons per shell: 2, 8, 18, 32, 32, 13, 2
‣ What is the electron configuration of bohrium?

Electron configuration: [Rn] 5f14 6d5 7s2
Bohrium ionization energies:
1st: 740 kJ/mol
2nd: 1690 kJ/mol
3rd: 2570 kJ/mol
‣ Bohrium phase of matter at room temperature

Phase (at r.t): unknown phase (predicted)
Bohrium density (near r.t): 26-27 g/cm3 (predicted)
Bohrium natural occurrence: synthetic
Bohrium oxidation state: +3, +4, +5, +7
‣ What is the crystal structure of bohrium?

Crystal structure: hexagonal close-packed (hcp) (predicted)
Bohrium CAS number: 54037-14-8

‣ How many isotopes does bohrium have?

Main isotopes of bohrium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
267Bhsyn17 sα263Db
270Bhsyn1 minα266Db
271Bhsyn1.5 sα267Db
272Bhsyn11 sα268Db
274Bhsyn44 sα270Db
278Bhsyn11.5 min?SF

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