Bohrium Element (Periodic Table)

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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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