Nihonium Element (Periodic Table)

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Nihonium

Nihonium (Nh) is a chemical element of the periodic table, located in the group 13 and the period 7, and has the atomic number 113. Its name comes from the word “nihon”, the common Japanese name for Japan. It is a transuranium element and is counted as one of the radioactive elements. It is a member of the boron group.

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

FAQs on Nihonium Element

Nihonium
‣ Who discovered nihonium? When was nihonium discovered?

Discovery: Riken (Japan, first undisputed claim 2004) JINR (Russia) and Livermore (US, first announcement 2003)
‣ Where is nihonium on the periodic table?

Nihonium Periodic Table

Location: Nihonium is found in the seventh row of the periodic table, next to the copernicium element.
‣ Nihonium atomic number (Z): 113
‣ Nihonium symbol: Nh
‣ Nihonium atomic weight: [286]
‣ What block is nihonium in the periodic table?

Block: p-block
‣ What group is nihonium in the periodic table?

Group: 13 (boron group)
‣ What period is nihonium in the periodic table?

Period: 7
‣ What is the atomic radius of nihonium?

Atomic radius: empirical: 170 pm (predicted)
‣ Nihonium covalent radius: 172-180 pm (extrapolated)
‣ What is nihonium melting point?

Melting point: 700 K (430 °C, 810 °F) (predicted)
‣ What is nihonium boiling point?

Boiling point: 1430 K (1130 °C, 2070 °F) (predicted)
‣ How many electron shells does nihonium have?

Electrons per shell: 2, 8, 18, 32, 32, 18, 3 (predicted)
‣ What is the electron configuration for nihonium?

Electron configuration: [Rn] 5f14 6d10 7s2 7p1 (predicted)
‣ Nihonium ionization energies:
1st: 704.9 kJ/mol (predicted)
2nd: 2240 kJ/mol (predicted)
3rd: 3020 kJ/mol (predicted)
‣ Is nihonium a solid, liquid or gas?

Phase (at r.t): solid (predicted)
‣ Nihonium density (near r.t): 16 g/cm3 (predicted)
‣ Nihonium natural occurrence: synthetic
‣ Nihonium oxidation state: +1
‣ Nihonium heat of fusion: 7.61 kJ/mol (extrapolated)
‣ Nihonium heat of vaporization: 130 kJ/mol (predicted)
‣ What is the crystal structure of nihonium?

Crystal structure: hexagonal close-packed (hcp) (predicted)
‣ Nihonium CAS number: 54084-70-7

‣ How many isotopes does nihonium have?

Main isotopes of nihonium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
278Nhsyn1.4 msα274Rg
282Nhsyn73 msα278Rg
283Nhsyn75 msα279Rg
284Nhsyn0.91 sα
EC		280Rg
284Cn
285Nhsyn4.2 sα281Rg
286Nhsyn9.5 sα282Rg
287Nh5.5 s?α283Rg
290Nhsyn2 s ?α286Rg

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