Nihonium Element (Periodic Table)

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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