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Los Alamos National Laboratory's CST Division Presents
Periodic Table of the Elements
Click an element for more information:
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1
IA |
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18
IIIA |
| 1 |
1
H
1.008 |
2
IA |
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13
IIIB |
14
IVB |
15
VB |
16
VIA |
17
VIIA |
2
He
4.003 |
| 2 |
3
Li
6.941 |
4
Be
9.012 |
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5
B
10.81 |
6
C
12.01 |
7
N
14.01 |
8
O
16.00 |
9
F
19.00 |
10
Ne
20.18 |
| 3 |
11
Na
22.99 |
12
Mg
24.31 |
3
IIIA |
4
IVA |
5
VA |
6
VIB |
7
VIIB |
8 |
9 |
10 |
11
IB |
12
IIB |
13
Al
26.98 |
14
Si
28.09 |
15
P
30.97 |
16
S
32.07 |
17
Cl
35.45 |
18
Ar
39.95 |
| -------
VIII ------- |
| 4 |
19
K
39.10 |
20
Ca
40.08 |
21
Sc
44.96 |
22
Ti
47.88 |
23
V
50.94 |
24
Cr
52.00 |
25
Mn
54.94 |
26
Fe
55.85 |
27
Co
58.47 |
28
Ni
58.69 |
29
Cu
63.55 |
30
Zn
65.39 |
31
Ga
69.72 |
32
Ge
72.59 |
33
As
74.92 |
34
Se
78.96 |
35
Br
79.90 |
36
Kr
83.80 |
| 5 |
37
Rb
85.47 |
38
Sr
87.62 |
39
Y
88.91 |
40
Zr
91.22 |
41
Nb
92.91 |
42
Mo
95.94 |
43
Tc
(98) |
44
Ru
101.1 |
45
Rh
102.9 |
46
Pd
106.4 |
47
Ag
107.9 |
48
Cd
112.4 |
49
In
114.8 |
50
Sn
118.7 |
51
Sb
121.8 |
52
Te
127.6 |
53
I
126.9 |
54
Xe
131.3 |
| 6 |
55
Cs
132.9 |
56
Ba
137.3 |
57
La
138.9 |
72
Hf
178.5 |
73
Ta
180.9 |
74
W
183.9 |
75
Re
186.2 |
76
Os
190.2 |
77
Ir
190.2 |
78
Pt
195.1 |
79
Au
197.0 |
80
Hg
85.47 |
81
Tl
204.4 |
82
Pb
207.2 |
83
Bi
209.0 |
84
Po
(210) |
85
At
(210) |
86
Rn
(222) |
| 7 |
87
Fr
(223) |
88
Ra
(226) |
89
Ac
(227) |
104
Rf
(257) |
105
Ha
(260) |
106
Sg
(263) |
107
Ns
(262) |
108
Hs
(265) |
109
Mt
(266) |
110
---
() |
111
---
() |
112
---
() |
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114
---
() |
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116
---
() |
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118
---
() |
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| Lanthanide
Series* |
58
Ce
140.1 |
59
Pr
140.9 |
60
Nd
144.2 |
61
Pm
(147) |
62
Sm
150.4 |
63
Eu
152.0 |
64
Gd
157.3 |
65
Tb
158.9 |
66
Dy
162.5 |
67
Ho
164.9 |
68
Er
167.3 |
69
Tm 168.9 |
70
Yb
173.0 |
71
Lu
175.0 |
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| Actinide
Series** |
90
Th
232.0 |
91
Pa
(231) |
92
U
(238) |
93
Np
(237) |
94
Pu
(242) |
95
Am
(243) |
96
Cm
(247) |
97
Bk
(247) |
98
Cf
(249) |
99
Es
(254) |
100
Fm
(253) |
101
Md
(256) |
102
No
(254) |
103
Lr
(257) |
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Families of Elements
Each element in the Periodic Table has distinctive
properties.
When elements have similar properties they are grouped into
families:
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Alkali Metals |
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Alkali Earth Metals |
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Transition Metals |
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Rare Earth Metals |
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Other Metals |
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Nonmetals |
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Halogens |
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Noble Gases |
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Metalloids |
How to use the Periodic Table
Nutshell Chemistry
List of Elements and Their Symbols
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