1
H
1.008 |
Periodic Table of the Elements |
2
He
4.003 |
3
Li
6.941 |
4
Be
9.012 |
| Atomic Number |
Element
Symbol |
| Atomic Weight |
|
|
|
|
Alkali Metals |
|
K |
|
Solid |
| |
|
Alkaline Earthmetals |
| |
|
Transition Metals |
Hg |
|
Liquid |
| |
|
Other Metals |
| |
|
Nonmetals |
N |
|
Gas |
| |
|
Noble Gases |
|
5
B
10.811 |
6
C
12.011 |
7
N
14.007 |
8
O
15.999 |
9
F
18.999 |
10
Ne
20.18 |
11
Na
22.99 |
12
Mg
24.305 |
13
Al
26.98 |
14
Si
28.086 |
15
P
30.974 |
16
S
32.06 |
17
Cl
35.453 |
18
Ar
39.948 |
19
K
39.098 |
20
Ca
40.08 |
21
Sc
44.956 |
22
Ti
47.88 |
23
V
50.94 |
24
Cr
51.996 |
25
Mn
54.938 |
26
Fe
55.847 |
27
Co
58.933 |
28
Ni
58.69 |
29
Cu
63.546 |
30
Zn
65.39 |
31
Ga
69.72 |
32
Ge
72.61 |
33
As
74.922 |
34
Se
78.96 |
35
Br
79.904 |
36
Kr
83.6 |
37
Rb
85.47 |
38
Sr
87.62 |
39
Y
88.906 |
40
Zr
91.22 |
41
Nb
92.906 |
42
Mo
95.94 |
43
Tc
(98) |
44
Ru
101.07 |
45
Rh
102.91 |
46
Pd
106.4 |
47
Ag
107.87 |
48
Cd
112.41 |
49
In
114.82 |
50
Sn
118.71 |
51
Sb
121.75 |
52
Te
127.6 |
53
I
126.9 |
54
Xe
131.29 |
55
Cs
132.91 |
56
Ba
137.33 |
57
La*
138.91 |
72
Hf
178.49 |
73
Ta
180.85 |
74
W
183.85 |
75
Re
186.21 |
76
Os
190.2 |
77
Ir
192.2 |
78
Pt
195.08 |
79
Au
196.97 |
80
Hg
200.59 |
81
Tl
204.38 |
82
Pb
207.2 |
83
Bi
208.98 |
84
Po
(209) |
85
At
(210) |
86
Rn
(222) |
87
Fr
(223) |
88
Ra
226.03 |
89
Ac**
227.03 |
104
Rf
(261.1) |
105
Ha
(262) |
106
Sg
(266) |
107
Bh
264 |
108
Hs
(265) |
109
Mt
(266) |
110
Uun
(269) |
111
Uuu
(272) |
112
Uub
(277) |
|
| |
| * Lanthanoid Series |
58
Ce
140.12 |
59
Pr
140.91 |
60
Nd
144.24 |
61
Pm
(145) |
62
Sm
150.36 |
63
Eu
151.96 |
64
Gd
157.25 |
65
Tb
158.93 |
66
Dy
162.5 |
67
Ho
164.93 |
68
Er
167.26 |
69
Tm
168.93 |
70
Yb
173.04 |
71
Lu
174.97 |
| ** Actinoid Series |
90
Th
232.04 |
91
Pa
231.04 |
92
U
238.03 |
93
Np
237.05 |
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) |
Mike Standfill's Flash™ animation of Tom Lehrer's song
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