| |
Lista abreviada de
Isótopos |
|
|
Numero atómico |
|
Símbolo |
|
Elemento |
|
Numero de
masa |
|
Masa atómica |
|
Abundancia porcentual o forma decaimiento si es radiactivo |
|
Vida Media
(radiactivo) |
|
0 |
|
|
|
(Neutrón) |
|
1 |
|
1.008665 |
|
b- |
|
614.6 s |
|
1 |
|
H |
|
Hidrógeno |
|
1 |
|
1.007825 |
|
99.985 |
|
|
|
|
|
|
Deuterio |
|
2 |
|
2.014102 |
|
0.015 |
|
|
|
|
|
|
Tritio |
|
3 |
|
3.016049 |
|
b- |
|
12.33
años |
|
2 |
|
He |
|
Helio |
|
3 |
|
3.016029 |
|
0.00014 |
|
|
|
|
|
|
|
|
4 |
|
4.002603 |
|
100 |
|
|
|
3 |
|
Li |
|
Litio |
|
6 |
|
6.015123 |
|
7.5 |
|
|
|
|
|
|
|
|
7 |
|
7.016005 |
|
92.5 |
|
|
|
4 |
|
Be |
|
Berilio |
|
7 |
|
7.01693 |
|
EC,
g |
|
53.3
dias |
|
|
|
|
|
|
8 |
|
8.005305 |
|
2a |
|
6.7x10-17s |
|
|
|
|
|
|
9 |
|
9.012183 |
|
100 |
|
|
|
5 |
|
B |
|
Boro |
|
10 |
|
10.012938 |
|
19.8 |
|
|
|
|
|
|
|
|
11 |
|
11.009305 |
|
80.2 |
|
|
|
6 |
|
C |
|
Carbono |
|
11 |
|
11.011433 |
|
b+,
EC |
|
20.4 min |
|
|
|
|
|
|
12 |
|
12 |
|
98.89 |
|
|
|
|
|
|
|
|
13 |
|
13.003355 |
|
1.11 |
|
|
|
|
|
|
|
|
14 |
|
14.003242 |
|
b- |
|
5730
años |
|
7 |
|
N |
|
Nitrógeno |
|
13 |
|
13.005739 |
|
b+ |
|
9.96 min |
|
|
|
|
|
|
14 |
|
14.003074 |
|
99.3 |
|
|
|
|
|
|
|
|
15 |
|
15.000109 |
|
0.37 |
|
|
|
8 |
|
O |
|
Oxígeno |
|
15 |
|
15.003065 |
|
b+,
EC |
|
122 s |
|
|
|
|
|
|
16 |
|
15.994915 |
|
99.76 |
|
|
|
|
|
|
|
|
18 |
|
17.999159 |
|
0.204 |
|
|
Datos Tomados de Chart of the Nuclides 12a. ed., 1977, y de C. M.
Lederer y V. S. Shiley, eds., Table of Isotopes, 7a. ed. John Wiley & Sons , inc.,
Nueva York, 1978 |
