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back.gif (141 bytes)Periodic Table of the Elements

1
H
1.008
  2
He
4

3
Li
6.94

4
Be
9.01
  5
B
10.8
6
C
12.01
7
N
14.01
8
O
16.0
9
F
19.0
10
Ne
20.2

11
Na
23.0

12
Mg
24.3

 

13
Al
27.0

14
Si
28.1

15
P
31 .0

16
S
32.1

17
Cl
35.5

18
Ar
39.9

19
K
39.1

20
Ca
40.1

21
Sc
45.0
22
Ti
47.9
23
V
50.9
24
Cr
52 .0
25
Mn
54.9

26
Fe
55.8

27
Co
58.9

28
Ni
58.7

29
Cu
63.5

30
Zn
65.4

31
Ga
69.7
32
Ge
72.6
33
As
74.9
34
Se
79.0

35
Br
79.9

36
Kr
83.8
37
Rb
85.5
38
Sr
87.6
39
Y
88.9
40
Zr
91.2
41
Nb
92.9
42
Mo
95.9
43
Tc
97
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
55
Cs
132.9

56
Ba
137.3

57-71
Lantha
nides
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
200.6
81
Tl
204.4
82
Pb
207.2
83
Bi
209
84
Po
210
85
At
210
86
Rn
222
87
Fr
223
88
Ra
226
89-103
Actinides
...  
 
Lanthinide
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
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
238.0
93
Np
237
94
Pu
244
95
Am
243
96
Cm
247
97
Bk
247
98
Cf
251
99
Es
254
100
Fm
257
101
Md
258
102
No
255
103
260
 

Colour scheme according to CPK model:
ELEMENT           COLOR NAME      RGB DECIMAL      RGB HEXA
Carbon            light grey      [200,200,200]    C8 C8 C8
Oxygen            red             [240,0,0]        F0 00 00
Hydrogen          white           [255,255,255]    FF FF FF
Nitrogen          light blue      [143,143,255]    8F 8F FF
Sulphur           sulphur yellow  [255,200,50]     FF C8 32
Chlorine,Boron    green           [0,255,0]        00 FF 00
Phosphorus,Iron,
Barium            orange          [255,165,0]      FF A5 00
Sodium            blue            [0,0,255]        00 00 FF
Magnesium         forest green    [34,139,34]      22 8B 22
Zn, Cu, Ni,Br     brown           [165,42,42]      A5 2A 2A
Ca, Mn, Al,
Ti, Cr, Ag        dark grey       [128,128,144]    80 80 90
F, Si,Au          goldenrod       [218,165,32]     DA A5 20
Iodine            purple          [160,32.240]     A0 20 F0
Lithium           firebrick       [178,34,34]      B2 22 22
Helium            pink            [255,192,203]    FF C0 CB
Unknown           deep pink       [255,20,147]     FF 14 93

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Last updated on Saturday, December 29, 2001