Difference between revisions of "Ununennium"

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(it may never exist, but now the page about it does....)
 
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'''Ununennium''' is a theoretical atom (following the naming convention) which would have an [[atomic number]] of 119.  This element does not exist in nature, and so far, it has not been created in a laboratory either despite multiple attempts.  Since this atom would poses a single electron in its outer shell, it would be added to the [[periodic table]] under the [[alkali metal]]s, and is expected to have similar properties.  Since it has not yet been created, it has not been included in the current periodic table.<ref>http://ununennium.net</ref>
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'''Ununennium''' is a theoretical atom (following the IUPAC naming convention) which would have an [[atomic number]] of 119.  This element does not exist in nature, and so far, it has not been created in a laboratory either despite multiple attempts.  Since this atom would poses a single electron in its outer shell, it would be added to the [[periodic table]] under the [[alkali metal]]s, and is expected to have similar properties.  Since it has not yet been created, it has not been included in the current periodic table.<ref>http://ununennium.net</ref><ref>https://www.webelements.com/ununennium/</ref>
  
 
==References==
 
==References==

Latest revision as of 19:11, January 21, 2019

Ununennium is a theoretical atom (following the IUPAC naming convention) which would have an atomic number of 119. This element does not exist in nature, and so far, it has not been created in a laboratory either despite multiple attempts. Since this atom would poses a single electron in its outer shell, it would be added to the periodic table under the alkali metals, and is expected to have similar properties. Since it has not yet been created, it has not been included in the current periodic table.[1][2]

References

  1. ↑ http://ununennium.net
  2. ↑ https://www.webelements.com/ununennium/


Periodic Table of the Elements
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
H
1.008
2
He
4.003
3
Li
6.939
4
Be
9.0122
5
B
10.811
6
C
12.011
7
N
14.007
8
O
15.999
9
F
18.998
10
Ne
10.183
11
Na
22.99
12
Mg
24.312
13
Al
26.982
14
Si
28.086
15
P
30.974
16
S
32.064
17
Cl
35.453
18
Ar
39.948
19
K
39.102
20
Ca
40.08
21
Sc
44.956
22
Ti
47.9
23
V
50.942
24
Cr
51.996
25
Mn
54.938
26
Fe
55.847
27
Co
58.933
28
Ni
58.71
29
Cu
63.546
30
Zn
65.37
31
Ga
69.72
32
Ge
72.59
33
As
74.922
34
Se
78.96
35
Br
79.904
36
Kr
83.8
37
Rb
85.47
38
Sr
87.62
39
Y
88.905
40
Zr
91.22
41
Nb
92.906
42
Mo
95.94
43
Tc
[97]
44
Ru
101.07
45
Rh
102.91
46
Pd
106.4
47
Ag
107.87
48
Cd
112.4
49
In
114.82
50
Sn
118.69
51
Sb
121.75
52
Te
127.6
53
I
126.9
54
Xe
131.3
55
Cs
132.91
56
Ba
137.34
57*
La
138.91
72
Hf
178.49
73
Ta
180.95
74
W
183.85
75
Re
186.2
76
Os
190.2
77
Ir
192.2
78
Pt
195.09
79
Au
196.97
80
Hg
200.59
81
Tl
204.37
82
Pb
207.19
83
Bi
208.98
84
Po
210
85
At
210
86
Rn
222
87
Fr
215
88
Ra
226.03
89**
Ac
227.03
104
Rf
[261]
105
Db
[262]
106
Sg
[266]
107
Bh
[264]
108
Hs
[265]
109
Mt
[268]
110
Dt
[271]
111
Rg
[272]
112
Cn
[277]
113
Nh
[284]
114
Fv
[289]
115
Mc
[288]
116
Lv
[292]
117
Ts
[293]
118
Og
[294]
 
*Lanthanides
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
145
62
Sm
150.35
63
Eu
151.96
64
Gd
157.25
65
Tb
158.92
66
Dy
162.5
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
 
**Actinides
90
Th
232.04
91
Pa
231
92
U
238.03
93
Np
237.05
94
Pu
239.05
95
Am
241.06
96
Cm
244.06
97
Bk
249.08
98
Cf
252.08
99
Es
252.08
100
Fm
257.1
101
Md
258.1
102
No
259.1
103
Lr
262.11
 
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