Periodicity
Table
Trends
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Pt
1
1.008
H
Hydrogen
1312
H
2
4.003
He
Helium
2372
He
3
6.941
Li
Lithium
520
Li
4
9.012
Be
Beryllium
900
Be
5
10.811
B
Boron
801
B
6
12.011
C
Carbon
1087
C
7
14.007
N
Nitrogen
1402
N
8
15.999
O
Oxygen
1314
O
9
18.998
F
Fluorine
1681
F
10
20.18
Ne
Neon
2081
Ne
11
22.99
Na
Sodium
496
Na
12
24.305
Mg
Magnesium
738
Mg
13
26.982
Al
Aluminum
578
Al
14
28.085
Si
Silicon
787
Si
15
30.974
P
Phosphorus
1012
P
16
32.065
S
Sulfur
1000
S
17
35.453
Cl
Chlorine
1251
Cl
18
39.948
Ar
Argon
1521
Ar
19
39.098
K
Potassium
419
K
20
40.078
Ca
Calcium
590
Ca
21
44.956
Sc
Scandium
633
Sc
22
47.867
Ti
Titanium
659
Ti
23
50.941
V
Vanadium
651
V
24
51.996
Cr
Chromium
653
Cr
25
54.938
Mn
Manganese
717
Mn
26
55.845
Fe
Iron
763
Fe
27
58.933
Co
Cobalt
760
Co
28
58.693
Ni
Nickel
737
Ni
29
63.546
Cu
Copper
746
Cu
30
65.38
Zn
Zinc
906
Zn
31
69.723
Ga
Gallium
579
Ga
32
72.64
Ge
Germanium
762
Ge
33
74.922
As
Arsenic
947
As
34
78.96
Se
Selenium
941
Se
35
79.904
Br
Bromine
1140
Br
36
83.798
Kr
Krypton
1351
Kr
37
85.468
Rb
Rubidium
403
Rb
38
87.62
Sr
Strontium
550
Sr
39
88.906
Y
Yttrium
600
Y
40
91.224
Zr
Zirconium
640
Zr
41
92.906
Nb
Niobium
652
Nb
42
95.96
Mo
Molybdenum
684
Mo
43
98
Tc
Technetium
702
Tc
44
101.07
Ru
Ruthenium
710
Ru
45
102.906
Rh
Rhodium
720
Rh
46
106.42
Pd
Palladium
804
Pd
47
107.868
Ag
Silver
731
Ag
48
112.411
Cd
Cadmium
868
Cd
49
114.818
In
Indium
558
In
50
118.71
Sn
Tin
709
Sn
51
121.76
Sb
Antimony
834
Sb
52
127.6
Te
Tellurium
869
Te
53
126.904
I
Iodine
1008
I
54
131.293
Xe
Xenon
1170
Xe
55
132.905
Cs
Cesium
376
Cs
56
137.327
Ba
Barium
503
Ba
72
178.49
Hf
Hafnium
659
Hf
73
180.948
Ta
Tantalum
761
Ta
74
183.84
W
Tungsten
770
W
75
186.207
Re
Rhenium
760
Re
76
190.23
Os
Osmium
840
Os
77
192.217
Ir
Iridium
880
Ir
78
195.084
Pt
Platinum
870
Pt
79
196.967
Au
Gold
890
Au
80
200.59
Hg
Mercury
1007
Hg
81
204.383
Tl
Thallium
589
Tl
82
207.2
Pb
Lead
716
Pb
83
208.98
Bi
Bismuth
703
Bi
84
209
Po
Polonium
812
Po
85
210
At
Astatine
920
At
86
222
Rn
Radon
1037
Rn
87
223
Fr
Francium
380
Fr
88
226
Ra
Radium
509
Ra
104
267
Rf
Rutherfordium
unknown
Rf
105
268
Db
Dubnium
unknown
Db
106
271
Sg
Seaborgium
unknown
Sg
107
272
Bh
Bohrium
unknown
Bh
108
270
Hs
Hassium
unknown
Hs
109
276
Mt
Meitnerium
unknown
Mt
110
281
Ds
Darmstadtium
unknown
Ds
111
280
Rg
Roentgenium
unknown
Rg
112
285
Cn
Copernicium
unknown
Cn
113
284
Nh
Nihonium
unknown
Nh
114
289
Fl
Flerovium
unknown
Fl
115
288
Mc
Moscovium
unknown
Mc
116
293
Lv
Livermorium
unknown
Lv
117
294
Ts
Tennessine
unknown
Ts
118
294
Og
Oganesson
unknown
Og
57
138.905
La
Lanthanum
538
La
58
140.116
Ce
Cerium
534
Ce
59
140.908
Pr
Praseodymium
527
Pr
60
144.242
Nd
Neodymium
533
Nd
61
145
Pm
Promethium
540
Pm
62
150.36
Sm
Samarium
545
Sm
63
151.964
Eu
Europium
547
Eu
64
157.25
Gd
Gadolinium
593
Gd
65
158.925
Tb
Terbium
566
Tb
66
162.5
Dy
Dysprosium
573
Dy
67
164.93
Ho
Holmium
581
Ho
68
167.259
Er
Erbium
589
Er
69
168.934
Tm
Thulium
597
Tm
70
173.054
Yb
Ytterbium
603
Yb
71
174.967
Lu
Lutetium
524
Lu
89
227
Ac
Actinium
499
Ac
90
232.038
Th
Thorium
587
Th
91
231.036
Pa
Protactinium
568
Pa
92
238.029
U
Uranium
598
U
93
237
Np
Neptunium
605
Np
94
244
Pu
Plutonium
585
Pu
95
243
Am
Americium
578
Am
96
247
Cm
Curium
581
Cm
97
247
Bk
Berkelium
601
Bk
98
251
Cf
Californium
608
Cf
99
252
Es
Einsteinium
619
Es
100
257
Fm
Fermium
627
Fm
101
258
Md
Mendelevium
635
Md
102
259
No
Nobelium
642
No
103
262
Lr
Lawrencium
unknown
Lr