The Periodic Table Of Elements
Other Nonmetals
Noble Gases
Halogens
Metalloids
Alkaline Earth Metals
Alkali Metals
Transition Metals
Post Transition Metals
Lanthanoids
Actinoids
Nonmetals
Metals
1
1
H
Hydrogen
1.008
2
2
He
Helium
4.002602
2
1
3
Li
Lithium
6.94
2
2
4
Be
Beryllium
9.0121831
2
3
5
B
Boron
10.81
2
4
6
C
Carbon
12.011
2
5
7
N
Nitrogen
14.007
2
6
8
O
Oxygen
15.999
2
7
9
F
Fluorine
18.998403163
2
8
10
Ne
Neon
20.1797
2
8
1
11
Na
Sodium
24.305
2
8
2
12
Mg
Magnesium
22.98976928
2
8
3
13
Al
Aluminium
26.9815385
2
8
4
14
Si
Silicon
28.085
2
8
5
15
P
Phosphorus
30.973761998
2
8
6
16
S
Sulfur
32.06
2
8
7
17
Cl
Chlorine
35.45
2
8
8
18
Ar
Argon
39.948
2
8
8
1
19
K
Potassium
39.0983
2
8
8
2
20
Ca
Calcium
40.078
2
8
9
2
21
Sc
Scandium
44.955908
2
8
10
2
22
Ti
Titanium
47.867
2
8
11
2
23
V
Vanadium
50.9415
2
8
13
1
24
Cr
Chromium
51.9961
2
8
13
2
25
Mn
Manganese
54.938044
2
8
14
2
26
Fe
Iron
55.845
2
8
15
2
27
Co
Cobolt
58.933194
2
8
16
2
28
Ni
Nickel
58.6934
2
8
18
1
29
Cu
Copper
63.546
2
8
18
2
30
Zn
Zinc
65.38
2
8
18
3
31
Ga
Gallium
69.723
2
8
18
4
32
Ge
Germanium
72.63
2
8
18
5
33
As
Arsenic
74.921595
2
8
16
6
34
Se
Selenium
78.971
2
8
18
7
35
Br
Bromine
79.904
2
8
18
8
36
Kr
Krypton
83.798
2
8
18
8
1
37
Rb
Rubidium
85.4678
2
8
18
8
2
38
Sr
Strontium
87.62
2
8
18
9
2
39
Y
Yttrium
8.90584
2
8
18
10
2
40
Zr
Zirconium
91.224
2
8
18
12
1
41
Nb
Niobium
92.90637
2
8
18
13
1
42
Mo
Molybdenum
95.95
2
8
18
13
2
43
Tc
Technetium
(98)
2
8
18
15
1
44
Ru
Ruthenium
101.07
2
8
18
16
1
45
Rh
Rhodium
102.90550
2
8
18
18
46
Pd
Palladium
106.42
2
8
18
18
1
47
Ag
Silver
107.8682
2
8
18
18
2
48
Cd
Cadmium
112.414
2
8
18
18
3
49
In
Indium
114.818
2
8
18
18
4
50
Sn
Tin
118.710
2
8
18
18
5
51
Sb
Antimony
121.76
2
8
18
18
6
52
Te
Tellurium
127.60
2
8
18
18
7
53
I
Iodine
126.90447
2
8
18
18
8
54
Xe
Xenon
131.293
2
8
18
18
8
1
55
Cs
Caesium
132.90545196
2
8
18
18
8
1
56
Ba
Barium
137.327
57 - 71
Ln
Lanthanoids
2
8
18
32
10
2
72
Hf
Hafnium
178.49
2
8
18
32
11
2
73
Ta
Tantalum
180.94788
2
8
18
32
12
2
74
W
Tungsten
183.84
2
8
18
32
13
2
75
Re
Rhenium
186.207
2
8
18
32
14
2
76
Os
Osmium
190.23
2
8
18
32
15
2
77
Ir
Iridium
192.217
2
8
18
32
17
1
78
Pt
Platinum
195.084
2
8
18
32
18
1
79
Au
Gold
196.966569
2
8
18
32
18
2
80
Hg
Mercury
200.59
2
8
18
32
18
3
81
Tl
Thallium
204.38
2
8
18
32
18
4
82
Pb
Lead
207.2
2
8
18
32
18
5
83
Bi
Bismuth
208.98040
2
8
18
32
18
6
84
Po
Polonium
(209)
2
8
18
32
18
7
85
At
Astatine
(210)
2
8
18
32
18
8
86
Rn
Radon
(222)
2
8
18
32
18
8
1
87
Fr
Francium
(223)
2
8
18
32
18
8
2
88
Ra
Radium
(226)
89 - 103
An
Actinoids
2
8
18
32
32
10
2
104
Rf
Rutherfordium
(267)
2
8
18
32
32
11
2
105
Db
Dubnium
(268)
2
8
18
32
32
12
2
106
Sg
Seaborgium
(271)
2
8
18
32
32
13
2
107
Bh
Bohrium
(272)
2
8
18
32
32
14
2
108
Hs
Hassium
(270)
2
8
18
32
32
15
2
109
Mt
Meitnerium
(276)
2
8
18
32
32
17
1
110
Ds
Darmstadtium
(281)
2
8
18
32
32
18
1
111
Rg
Roentgenium
(280)
2
8
18
32
32
18
2
112
Cn
Copernicium
(285)
2
8
18
32
32
18
3
113
Nh
Nihonium
(284)
2
8
18
32
32
18
4
114
Fl
Flerovium
(289)
2
8
18
32
32
18
5
115
Mc
Moscovium
(288)
2
8
18
32
32
18
6
116
Lv
Livermorium
(293)
2
8
18
32
32
18
7
117
Ts
Tennessine
(294)
2
8
18
32
32
18
8
118
Og
Oganesson
(294)
2
8
18
18
9
2
57
La
Lanthanum
138.90547
2
8
18
19
9
2
58
Ce
Cerium
140.116
2
8
18
21
8
2
59
Pr
Praseodymium
140.90766
2
8
18
22
8
2
60
Nd
Neodymium
144.242
2
8
18
23
8
2
61
Pm
Promethium
(145)
2
8
18
24
8
2
62
Sm
Samarium
150.36
2
8
18
25
8
2
63
Eu
Europium
151.964
2
8
18
25
9
2
64
Gd
Gadolinium
157.25
2
8
18
27
8
2
65
Tb
Terbium
158.92535
2
8
18
28
8
2
66
Dy
Dysprosium
162.500
2
8
18
29
8
2
67
Ho
Holmium
164.93033
2
8
18
30
8
2
68
Er
Erbium
167.259
2
8
18
31
8
2
69
Tm
Thulium
168.93422
2
8
18
32
8
2
70
Yb
Ytterbium
173.054
2
8
18
32
9
2
71
Lu
Lutetium
174.9668
2
8
18
32
18
9
2
89
Ac
Actinium
(227)
2
8
18
32
18
10
2
90
Th
Thorium
232.0377
2
8
18
32
20
9
2
91
Pa
Protactinium
231.03588
2
8
18
32
21
9
2
92
U
Uranium
238.02891
2
8
18
32
22
9
2
93
Np
Neptunium
(237)
2
8
18
32
24
8
2
94
Pu
Plutonium
(244)
2
8
18
32
25
8
2
95
Am
Americium
(243)
2
8
18
32
25
9
2
96
Cm
Curium
(247)
2
8
18
32
27
8
2
97
Bk
Berkelium
(247)
2
8
18
32
28
8
2
98
Cf
Californium
(251)
2
8
18
32
29
8
2
99
Es
Einsteinium
(252)
2
8
18
32
30
8
2
100
Fm
Fermium
(257)
2
8
18
32
31
8
2
101
Md
Mendelevium
(258)
2
8
18
32
32
8
2
102
No
Nobelium
(259)
2
8
18
32
32
8
3
103
Lr
Lawrencium
(262)
Limited Availability - Future risk to supply
Rising Threat - from increased use
Serious Threat - in the next 100 years