Periodic Table of Elements: Los Alamos National Laboratory

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Periodic Table of Elements: LANL

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A Resource for Elementary, Middle School, and High School Students

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 2
He
4.003 2 3
Li
6.94 4
Be
9.012 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 13
Al
26.98 14
Si
28.09 15
P
30.97 16
S
32.06 17
Cl
35.45 18
Ar
39.95 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
58.93 28
Ni
58.69 29
Cu
63.55 30
Zn
65.39 31
Ga
69.72 32
Ge
72.64 33
As
74.92 34
Se
78.96 35
Br
79.90 36
Kr
83.79 5 37
Rb
85.47 38
Sr
87.62 39
Y
88.91 40
Zr
91.22 41
Nb
92.91 42
Mo
95.96 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 * 72
Hf
178.5 73
Ta
180.9 74
W
183.9 75
Re
186.2 76
Os
190.2 77
Ir
192.2 78
Pt
195.1 79
Au
197.0 80
Hg
200.5 81
Tl
204.38 82
Pb
207.2 83
Bi
209.0 84
Po
(209) 85
At
(210) 86
Rn
(222) 7 87
Fr
(223) 88
Ra
(226) ** 104
Rf
(267) 105
Db
(268) 106
Sg
(269) 107
Bh
(270) 108
Hs
(277) 109
Mt
(278) 110
Ds
(281) 111
Rg
(282) 112
Cn
(285) 113
Nh
(286) 114
Fl
(289) 115
Mc
(289) 116
Lv
(293) 117
Ts
(294) 118
Og
(294)
Lanthanide Series* 57
La
138.9 58
Ce
140.1 59
Pr
140.9 60
Nd
144.2 61
Pm
(145) 62
Sm
150.4 63
Eu
152.0 64
Gd
157.2 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 Actinide Series** 89
Ac
(227) 90
Th
232 91
Pa
231 92
U
238 93
Np
(237) 94
Pu
(244) 95
Am
(243) 96
Cm
(247) 97
Bk
(247) 98
Cf
(251) 99
Es
(252) 100
Fm
(257) 101
Md
(258) 102
No
(259) 103
Lr
(262)
Alkali metals Lanthanides Alkaline earth metals Actinides Transition metals Nonmetals Post-transition metals Halogens Metalloid Noble gases

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