Dmitri Mendeleev’sPeriodic Table of Elements
1
H
Hydrogen
1.01
1s1
2
He
Helium
4
1s2
3
Li
Lithium
6.94
[He] 2s1
4
Be
Beryllium
9.01
[He] 2s2
5
B
Boron
10.81
[He] 2s2 2p1
6
C
Carbon
12.01
[He] 2s2 2p2
7
N
Nitrogen
14.01
[He] 2s2 2p3
8
O
Oxygen
15.99
[He] 2s2 2p4
9
F
Fluorine
18.99
[He] 2s2 2p5
10
Ne
Neon
20.18
[He] 2s2 2p6
11
Na
Sodium
22.99
[Ne] 3s1
12
Mg
Magnesium
24.3
[Ne] 3s2
13
Al
Aluminum
26.98
[Ne] 3s2 3p1
14
Si
Silicon
28.08
[Ne] 3s2 3p2
15
P
Phosphorus
30.97
[Ne] 3s2 3p3
16
S
Sulfur
32.06
[Ne] 3s2 3p4
17
Cl
Chlorine
35.45
[Ne] 3s2 3p5
18
Ar
Argon
39.95
[Ne] 3s2 3p6
19
K
Potassium
39.1
[Ar] 4s1
20
Ca
Calcium
40.08
[Ar] 4s2
21
Sc
Scandium
44.96
[Ar] 4s2 3d1
22
Ti
Titanium
47.87
[Ar] 4s2 3d2
23
V
Vanadium
50.94
[Ar] 4s2 3d3
24
Cr
Chromium
51.99
[Ar] 4s1 3d5
25
Mn
Manganese
54.94
[Ar] 4s2 3d5
26
Fe
Iron
55.85
[Ar] 4s2 3d6
27
Co
Cobalt
58.93
[Ar] 4s2 3d7
28
Ni
Nickel
58.69
[Ar] 4s2 3d8
29
Cu
Copper
63.55
[Ar] 4s1 3d10
30
Zn
Zinc
65.38
[Ar] 4s2 3d10
31
Ga
Gallium
69.72
[Ar] 4s2 3d10 4p1
32
Ge
Germanium
72.63
[Ar] 4s2 3d10 4p2
33
As
Arsenic
74.92
[Ar] 4s2 3d10 4p3
34
Se
Selenium
78.97
[Ar] 4s2 3d10 4p4
35
Br
Bromine
79.9
[Ar] 4s2 3d10 4p5
36
Kr
Krypton
83.8
[Ar] 4s2 3d10 4p6
37
Rb
Rubidium
85.47
[Kr] 5s1
38
Sr
Strontium
87.62
[Kr] 5s2
39
Y
Yttrium
88.91
[Kr] 5s2 4d1
40
Zr
Zirconium
91.22
[Kr] 5s2 4d2
41
Nb
Niobium
92.91
[Kr] 5s1 4d4
42
Mo
Molybdenum
95.95
[Kr] 5s1 4d5
43
Tc
Technetium
(97)
[Kr] 5s2 4d5
44
Ru
Ruthenium
101.07
[Kr] 5s1 4d7
45
Rh
Rhodium
102.91
[Kr] 5s1 4d8
46
Pd
Palladium
106.42
[Kr] 4d10
47
Ag
Silver
107.87
[Kr] 5s1 4d10
48
Cd
Cadmium
112.41
[Kr] 5s2 4d10
49
In
Indium
114.82
[Kr] 5s2 4d10 5p1
50
Sn
Tin
118.71
[Kr] 5s2 4d10 5p2
51
Sb
Antimony
121.76
[Kr] 5s2 4d10 5p3
52
Te
Tellurium
127.6
[Kr] 5s2 4d10 5p4
53
I
Iodine
126.9
[Kr] 5s2 4d10 5p5
54
Xe
Xenon
131.29
[Kr] 5s2 4d10 5p6
55
Cs
Cesium
132.91
[Xe] 6s1
56
Ba
Barium
137.33
[Xe] 6s2
57—71
La
Lanthanides
—
Lu
72
Hf
Hafnium
178.49
[Xe] 6s2 4f14 5d2
73
Ta
Tantalum
180.95
[Xe] 6s2 4f14 5d3
74
W
Tungsten
183.84
[Xe] 6s2 4f14 5d4
75
Re
Rhenium
186.21
[Xe] 6s2 4f14 5d5
76
Os
Osmium
190.23
[Xe] 6s2 4f14 5d6
77
Ir
Iridium
192.22
[Xe] 6s2 4f14 5d7
78
Pt
Platinum
195.08
[Xe] 6s1 4f14 5d9
79
Au
Gold
196.97
[Xe] 6s1 4f14 5d10
80
Hg
Mercury
200.59
[Xe] 6s2 4f14 5d10
81
Tl
Thallium
204.38
[Xe] 6s2 4f14 5d10 6p1
82
Pb
Lead
207.2
[Xe] 6s2 4f14 5d10 6p2
83
Bi
Bismuth
208.98
[Xe] 6s2 4f14 5d10 6p3
84
Po
Polonium
(209)
[Xe] 6s2 4f14 5d10 6p4
85
At
Astatine
(210)
[Xe] 6s2 4f14 5d10 6p5
86
Rn
Radon
(222)
[Xe] 6s2 4f14 5d10 6p6
87
Fr
Francium
(223)
[Rn] 7s1
88
Ra
Radium
(226)
[Rn] 7s2
89—103
Ac
Actinides
—
Lr
104
Rf
Rutherfordium
(267)
[Rn] 7s2 5f14 6d2
105
Db
Dubnium
(270)
[Rn] 7s2 5f14 6d3
106
Sg
Seaborgium
(269)
[Rn] 7s2 5f14 6d4
107
Bh
Bohrium
(270)
[Rn] 7s2 5f14 6d5
108
Hs
Hassium
(270)
[Rn] 7s2 5f14 6d6
109
Mt
Meitnerium
(278)
[Rn] 7s2 5f14 6d7
110
Ds
Darmstadtium
(281)
[Rn] 7s1 5f14 6d9
111
Rg
Roentgentium
(281)
[Rn] 7s1 5f14 6d10
112
Cn
Copernicium
(285)
[Rn] 7s2 5f14 6d10
113
Nh
Nihonium
(286)
[Rn] 7s2 5f14 6d10 7p1
114
Fl
Flerovium
(289)
[Rn] 7s2 5f14 6d10 7p2
115
Mc
Moscovium
(289)
[Rn] 7s2 5f14 6d10 7p3
116
Lv
Livermorium
(293)
[Rn] 7s2 5f14 6d10 7p4
117
Ts
Tennessine
(293)
[Rn] 7s2 5f14 6d10 7p5
118
Og
Oganesson
(294)
[Rn] 7s2 5f14 6d10 7p6
57
La
Lanthanum
138.91
[Xe] 6s2 5d1
58
Ce
Cerium
140.12
[Xe] 6s2 4f1 5d1
59
Pr
Praseodymium
140.91
[Xe] 6s2 4f3
60
Nd
Neodymium
144.24
[Xe] 6s2 4f4
61
Pm
Promethium
(145)
[Xe] 6s2 4f5
62
Sm
Samarium
150.36
[Xe] 6s2 4f6
63
Eu
Europium
151.96
[Xe] 6s2 4f7
64
Gd
Gadolinium
157.25
[Xe] 6s2 4f7 5d1
65
Tb
Terbium
158.93
[Xe] 6s2 4f9
66
Dy
Dysprosium
162.5
[Xe] 6s2 4f10
67
Ho
Holmium
164.93
[Xe] 6s2 4f11
68
Er
Erbium
167.26
[Xe] 6s2 4f12
69
Tm
Thulium
168.93
[Xe] 6s2 4f13
70
Yb
Ytterbium
173.05
[Xe] 6s2 4f14
71
Lu
Lutetium
174.97
[Xe] 6s2 4f14 5d1
89
Ac
Actinium
(227)
[Rn] 7s2 6d1
90
Th
Thorium
232.04
[Rn] 7s2 6d2
91
Pa
Protactinium
231.04
[Rn] 7s2 5f2 6d1
92
U
Uranium
238.03
[Rn] 7s2 5f3 6d1
93
Np
Neptunium
(237)
[Rn] 7s2 5f4 6d1
94
Pu
Plutonium
(244)
[Rn] 7s2 5f6
95
Am
Americium
(243)
[Rn] 7s2 5f7
96
Cm
Curium
(247)
[Rn] 7s2 5f7 6d1
97
Bk
Berkelium
(247)
[Rn] 7s2 5f9
98
Cf
Californium
(251)
[Rn] 7s2 5f10
99
Es
Einsteinium
(252)
[Rn] 7s2 5f11
100
Fm
Fermium
(257)
[Rn] 7s2 5f12
101
Md
Mendelevium
(258)
[Rn] 7s2 5f13
102
No
Nobelium
(259)
[Rn] 7s2 5f14
103
Lr
Lawrencium
(262)
[Rn] 7s2 5f14 7p1
Atomic weight×