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极光vp电脑版

The periodic table is an arrangment of the chemical elements ordered by atomic number so that periodic properties of the elements (chemical periodicity) are made clear.

极光vp电脑版

Group 1 2   3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Period
1
1
H
1.008
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2
He
4.0026
Helium
2
3
Li
6.94
Lithium
4
Be
9.0122
Beryllium
5
B
10.81
Boron
6
C
12.011
Carbon
7
N
14.007
Nitrogen
8
O
15.999
Oxygen
9
F
18.998
Fluorine
10
Ne
20.180
Neon
3
11
Na
22.990
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12
Mg
24.305
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13
Al
26.982
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14
Si
28.085
Silicon
15
P
30.974
Phosphorus
16
S
32.06
Sulfur
17
Cl
35.45
Chlorine
18
Ar
39.948
Argon
4
19
K
39.098
Potassium
20
Ca
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Calcium
21
Sc
44.956
Scandium
22
Ti
47.867
Titanium
23
V
50.942
Vanadium
24
Cr
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Chromium
25
Mn
54.938
Manganese
26
Fe
55.845
Iron
27
Co
58.933
Cobalt
28
Ni
58.693
Nickel
29
Cu
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Copper
30
Zn
65.38
Zinc
31
Ga
69.723
Gallium
32
Ge
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Germanium
33
As
74.922
Arsenic
34
Se
78.971
Selenium
35
Br
79.904
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36
Kr
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Krypton
5
37
Rb
85.468
Rubidium
38
Sr
87.62
Strontium
39
Y
88.906
Yttrium
40
Zr
91.224
Zirconium
41
Nb
92.906
Niobium
42
Mo
95.95
Molybdenum
43
Tc
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Technetium
44
Ru
101.07
Ruthenium
45
Rh
102.91
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46
Pd
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Palladium
47
Ag
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Silver
48
Cd
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49
In
114.82
Indium
50
Sn
118.71
Tin
51
Sb
121.76
Antimony
52
Te
127.60
Tellurium
53
I
126.90
Iodine
54
Xe
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Xenon
6
55
Cs
132.91
Caesium
56
Ba
137.33
Barium
*
71
Lu
174.97
Lutetium
72
Hf
178.49
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73
Ta
180.95
Tantalum
74
W
183.84
Tungsten
75
Re
186.21
Rhenium
76
Os
190.23
Osmium
77
Ir
192.22
Iridium
78
Pt
195.08
Platinum
79
Au
196.97
Gold
80
Hg
200.59
Mercury
81
Tl
204.38
Thallium
82
Pb
207.2
Lead
83
Bi
208.98
Bismuth
84
Po
208.98
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85
At
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Astatine
86
Rn
222.02
Radon
7
87
Fr
223.02
Francium
88
Ra
226.03
Radium
**
103
Lr
262.11
Lawrencium
104
Rf
267.12
Rutherfordium
105
Db
270.13
Dubnium
106
Sg
269.13
Seaborgium
107
Bh
270.13
Bohrium
108
Hs
269.13
Hassium
109
Mt
278.16
Meitnerium
110
Ds
281.17
Darmstadtium
111
Rg
281.17
Roentgenium
112
Cn
285.18
Copernicium
113
Nh
286.18
Nihonium
114
Fl
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Flerovium
115
Mc
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Moscovium
116
Lv
293.20
Livermorium
117
Ts
293.21
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118
Og
294.21
Oganesson
 
*Lanthanoids *
57
La
138.91
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58
Ce
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Cerium
59
Pr
140.91
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60
Nd
144.24
Neodymium
61
Pm
144.91
Promethium
62
Sm
150.36
Samarium
63
Eu
151.96
Europium
64
Gd
157.25
Gadolinium
65
Tb
158.93
Terbium
66
Dy
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Dysprosium
67
Ho
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Holmium
68
Er
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Erbium
69
Tm
168.93
Thulium
70
Yb
173.05
Ytterbium
**Actinoids **
89
Ac
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Actinium
90
Th
232.04
Thorium
91
Pa
231.04
Protactinium
92
U
238.03
Uranium
93
Np
237.05
Neptunium
94
Pu
244.06
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95
Am
243.06
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96
Cm
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Curium
97
Bk
247.07
Berkelium
98
Cf
251.08
Californium
99
Es
252.08
Einsteinium
100
Fm
257.10
Fermium
101
Md
258.10
Mendelevium
102
No
259.10
Nobelium

The standard form of the periodic table shown here includes periods (shown horizontally) and groups (shown vertically). The properties of elements in groups are similar in some respects to each other.

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The International Union of Pure and Applied Chemistry (IUPAC) confirmed the names of elements 113, 115, 117, and 118 as:

This followed a 5-month period of public review after which the names earlier proposed by the discoverers were approved by IUPAC.

You can buy this periodic table poster and more at the WebElements periodic table shop.
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On 1 May 2014 a paper published in Phys. Rev. Lett by J. Khuyagbaatar and others states the superheavy element with atomic number Z = 117 (ununseptium) was produced as an evaporation residue in the 48Ca and 249Bk fusion reaction at the gas-filled recoil separator TASCA at GSI Darmstadt, Germany. The radioactive decay of evaporation residues and their α-decay products was studied using a detection setup that allows measurement of decays of single atomic nuclei with very short half-lives. Two decay chains comprising seven α-decays and a spontaneous fission each were identified and assigned to the isotope 294Uus (element 117) and its decay products.

极光vp电脑版

Click on the images below to see images of the periodic table in a variety of styles.

Icon showing a standard periodic table
See standard periodic table images.

Icon showing a spiral periodic table
See image of spiral periodic tables.

Icon showing a circular periodic table
See images of circular periodic tables.

Icon showing extended periodic tables
See images of extended periodic table.

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