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Metales, no metales y metaloides
(Masas atómicas en uma)
|metales [pic] | |no metales [pic] | |metaloides [pic] | |gases nobles [pic] |

|1 |2 |3 |4 |5 |6|7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 | | |Ia |IIa |IIIb |IVb |Vb |VIb |VIIb |VIII |Ib |IIb |IIa |IVa |Va |VIa |VIIa |0 | |1 |1
H
1,00794 | | | | | | | | | | | | | | | | |2
He
4,0026 | |2|3
Li
6,941 |4
Be
9,0122 | | | | | | | | | | |5
B
10,811 |6
C
12,0107 |7
N
14,0067 |8
O
15,9994 |9
F
18,9984 |10
Ne
20,1797 | |3 |11
Na
22,9898 |12
Mg
24,3050 | | | | | | | | | ||13
Al
26,9815 |14
Si
28,0855 |15
P
30,9738 |16
S
32,066 |17
Cl
35,4527 |18
Ar
39,948 | |4 |19
K
39,0983 |20
Ca
40,078 |21
Sc
44,9559 |22
Ti
47,867 |23
V
50,9415 |24
Cr
51,9961|25
Mn
54,9380 |26
Fe
55,845 |27
Co
58,9332 |28
Ni
58,6934 |29
Cu
63,546 |30
Zn
65,39 |31
Ga
69,723 |32
Ge
72,61 |33
As
74,9216 |34
Se
78,96 |35
Br
79,904 |36
Kr
83,80 | |5 |37Rb
85,4678 |38
Sr
87,62 |39
Y
88,9059 |40
Zr
91,224 |41
Nb
92,9064 |42
Mo
95,94 |43
Tc
(98,9063) |44
Ru
101,07 |45
Rh
102,905 |46
Pd
106,42 |47
Ag
107,8682 |48
Cd
112,411 |49In
114,818 |50
Sn
118,710 |51
Sb
121,760 |52
Te
127,60 |53
I
126,9045 |54
Xe
131,29 | |6 |55
Cs
132,905 |56
Ba
137,327 |57 *
La
138,906 |72
Hf
178,49 |73
Ta
180,948 |74
W183,84 |75
Re
186,207 |76
Os
190,23 |77
Ir
192,217 |78
Pt
195,078 |79
Au
196,967 |80
Hg
200,59 |81
Tl
204,383 |82
Pb
207,2 |83
Bi
208,980 |84
Po
(208,98) |85
At
(209,99) |86
Rn(222,02) | |7 |87
Fr
(223,02) |88
Ra
(226,03) |89 *
Ac
(227,03) |104
Rf
(261,11) |105
Db
(262,11) |106
Sg
(263,12) |107
Bh
(264,12) |108
Hs
(265,13) |109
Mt
(268) |110
Uun
(269) |111Uuu
(272) |112
Uub
(277) |113
Uut
( ) |114
Uuq
(285) |115
Uup
( ) |116
Uuh
(289) |117
Uus
( ) |118
Uuo
(293) | | 
| |Serie lantánidos |58
Ce
140,116 |59
Pr
140,908 |60
Nd...
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