| Números atómicos y su peso |
Elemento |
Símbolo |
Número Atómico |
Peso Atómico |
| Actinio |
Ac |
89 |
227 |
| Aluminio |
Al |
13 |
26.98 |
| Americio |
Am |
95 |
243 |
| Antimonio |
Sb |
51 |
121.76 |
| Argón |
Ar |
18 |
39.994 |
| Arsénico |
As |
33 |
74.91 |
| Astatina |
At |
85 |
211 |
| Bario |
Ba |
56 |
137.36 |
| Berkelium |
Bk |
97 |
247 |
| Berilio |
Be |
4 |
9.013 |
| Bismuto |
Bi |
83 |
209.00 |
| Boro |
B |
5 |
10.82 |
| Bromino |
Br |
35 |
79.916 |
| Cadmio |
Cd |
48 |
112.41 |
| Calcio |
Ca |
20 |
40.08 |
| Californio |
Cf |
98 |
251 |
| Carbón |
C |
6 |
12.011 |
| Cerium |
Ce |
58 |
140.13 |
| Cesio |
Cs |
55 |
132.91 |
| Cloro |
Cl |
17 |
36.457 |
| Cromo |
Cr |
24 |
52.01 |
| Cobalto |
Co |
27 |
58.94 |
| Columbium* |
Cb |
41 |
92.91 |
| Cobre |
Cu |
29 |
63.54 |
| Curium |
Cm |
96 |
247 |
| Dysprosium |
Dy |
66 |
162.51 |
| Einsteinium |
E |
99 |
254 |
| Erbium |
Er |
68 |
167.27 |
| Europium |
Eu |
63 |
152.0 |
| Fermium |
Fm |
100 |
253 |
| Flúor |
F |
9 |
19.00 |
| Francio |
Fr |
87 |
223 |
| Gadolinio |
Gd |
64 |
157.26 |
| Gallium |
Ga |
31 |
69.72 |
| Germanium |
Ge |
32 |
72.60 |
| Oro |
Au |
79 |
197.0 |
| Hafnium |
Hf |
72 |
178.58 |
| Helium |
He |
2 |
4.003 |
| Holmium |
Ho |
67 |
164.94 |
| Hidrógeno |
H |
1 |
1.0080 |
| Indium |
In |
49 |
114.82 |
| Iodine |
I |
53 |
126.91 |
| Iridio |
Ir |
77 |
192.2 |
| Irón |
Fe |
26 |
55.85 |
| Kryptón |
Kr |
36 |
83.80 |
| Lanthanum |
La |
57 |
138.92 |
| Plomo |
Pb |
82 |
207.21 |
| Lithio |
Li |
3 |
6.940 |
| Lutetium |
Lu |
71 |
174.99 |
| Magnesio |
Mg |
12 |
24.32 |
| Manganeso |
Mn |
25 |
54.94 |
| Mendelevium |
Mv |
101 |
256 |
| Mercurio |
Hg |
80 |
200.61 |
| Molibdeno |
Mo |
42 |
95.95 |
| Neodymium |
Nd |
60 |
144.27 |
| Neón |
Ne |
10 |
20.183 |
| Neptunium |
Np |
93 |
237 |
| Niquel |
Ni |
28 |
58.71 |
| Nitrógeno |
N |
7 |
14.008 |
| Nobelio |
No |
102 |
247 |
| Osmio |
Os |
76 |
190.2 |
| Oxígeno |
O |
8 |
16 |
| Paladio |
Pd |
46 |
106.7 |
| Fósforo |
P |
15 |
30.975 |
| Platino |
Pt |
78 |
195.09 |
| Plutonio |
Pu |
94 |
242 |
| Polonio |
Po |
84 |
210 |
| Potasio |
K |
19 |
39.100 |
| Prascodymio |
Pr |
59 |
140.92 |
| Promethio |
Pm |
61 |
145 |
| Protactinio |
Pa |
91 |
231.1 |
| Radio |
Ra |
88 |
226.05 |
| Radón |
Rn |
86 |
222 |
| Rhenio |
Re |
75 |
186.22 |
| Rhodio |
Rh |
45 |
102.91 |
| Rubidio |
Rb |
37 |
85.48 |
| Ruthenio |
Ru |
44 |
101.1 |
| Samario |
Sm |
62 |
150.35 |
| Scandio |
Sc |
21 |
44.96 |
| Selenio |
Se |
34 |
78.96 |
| Silicón |
Si |
14 |
28.09 |
| Plata |
Ag |
47 |
107.880 |
| Sodio |
Na |
11 |
22.991 |
| Strontio |
Sr |
38 |
87.63 |
| Sulfuro |
S |
16 |
32.066 |
| Tantalio |
Ta |
73 |
180.95 |
| Technetium |
Tc |
43 |
98 |
| Tellurio |
Te |
52 |
127.61 |
| Terbio |
Tb |
65 |
158.93 |
| Talio |
Tl |
81 |
204.39 |
| Thorio |
Th |
90 |
232.05 |
| Thulium |
Tm |
69 |
168.94 |
| Tin |
Sn |
50 |
118.70 |
| Titanio |
Ti |
22 |
47.90 |
| Tungsteno |
W |
74 |
183.86 |
| Uranio |
U |
92 |
238.07 |
| Vanadio |
V |
23 |
50.95 |
| Xenon |
Xe |
54 |
131.30 |
| Ytterbium |
Yb |
70 |
173.04 |
| Yttrium |
Y |
39 |
88.92 |
| Zinc |
Zn |
30 |
65.38 |
| Zirconium |
Zr |
40 |
91.22 |
| * | También conocido como Niobium (Nb) |

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Libro de Datos Metalúrgicos
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