0 |
neutron |
1 |
[latex]\textit{\textbf{n}}[/latex] |
1.008 665 |
[latex]\beta ^{-}[/latex] |
10.37 min |
1 |
Hydrogen |
1 |
[latex]^{1} \textbf{H}[/latex] |
1.007 825 |
99.985% |
|
|
Deuterium |
2 |
[latex]^{2}\textbf{H or D}[/latex] |
2.014 102 |
0.015% |
|
|
Tritium |
3 |
[latex]^{3}\textbf{H or T}[/latex] |
3.016 050 |
[latex]\beta ^{-}[/latex] |
12.33 y |
2 |
Helium |
3 |
[latex]^{3} \textbf{He}[/latex] |
3.016 030 |
[latex]1.38 \times 10^{-4} \%[/latex] |
|
|
|
4 |
[latex]^{4} \textbf{He}[/latex] |
4.002 603 |
[latex]\approx 100 \%[/latex] |
|
3 |
Lithium |
6 |
[latex]^6 \textbf{Li}[/latex] |
6.015 121 |
7.5% |
|
|
|
7 |
[latex]^7 \textbf{Li}[/latex] |
7.016 003 |
92.5% |
|
4 |
Beryllium |
7 |
[latex]^7 \textbf{Be}[/latex] |
7.016 928 |
EC |
53.29 d |
|
|
9 |
[latex]^9 \textbf{Be}[/latex] |
9.012 182 |
100% |
|
5 |
Boron |
10 |
[latex]^{10} \textbf{B}[/latex] |
10.012 937 |
19.9% |
|
|
|
11 |
[latex]^{11} \textbf{B}[/latex] |
11.009 305 |
80.1% |
|
6 |
Carbon |
11 |
[latex]^{11} \textbf{C}[/latex] |
11.011 432 |
EC, [latex]\beta ^{+}[/latex] |
|
|
|
12 |
[latex]^{12} \textbf{C}[/latex] |
12.000 000 |
98.90% |
|
|
|
13 |
[latex]^{13} \textbf{C}[/latex] |
13.003 355 |
1.10% |
|
|
|
14 |
[latex]^{14} \textbf{C}[/latex] |
14.003 241 |
[latex]\beta ^{-}[/latex] |
5730 y |
7 |
Nitrogen |
13 |
[latex]^{13} \textbf{N}[/latex] |
13.005 738 |
[latex]\beta ^{+}[/latex] |
9.96 min |
|
|
14 |
[latex]^{14} \textbf{N}[/latex] |
14.003 074 |
99.63% |
|
|
|
15 |
[latex]^{15} \textbf{N}[/latex] |
15.000 108 |
0.37% |
|
8 |
Oxygen |
15 |
[latex]^{15} \textbf{O}[/latex] |
15.003 065 |
EC, [latex]\beta ^{+}[/latex] |
122 s |
|
|
16 |
[latex]^{16} \textbf{O}[/latex] |
15.994 915 |
99.76% |
|
|
|
18 |
[latex]^{18} \textbf{O}[/latex] |
17.999 160 |
0.200% |
|
9 |
Fluorine |
18 |
[latex]^{18} \textbf{F}[/latex] |
18.000 937 |
EC, [latex]\beta ^{+}[/latex] |
1.83 h |
|
|
19 |
[latex]^{19} \textbf{F}[/latex] |
18.998 403 |
100% |
|
10 |
Neon |
20 |
[latex]^{20} \textbf{Ne}[/latex] |
19.992 435 |
90.51% |
|
|
|
22 |
[latex]^{22} \textbf{Ne}[/latex] |
21.991 383 |
9.22% |
|
11 |
Sodium |
22 |
[latex]^{22} \textbf{Na}[/latex] |
21.994 434 |
[latex]\beta ^{+}[/latex] |
2.602 y |
|
|
23 |
[latex]^{23} \textbf{Na}[/latex] |
22.989 767 |
100% |
|
|
|
24 |
[latex]^{24} \textbf{Na}[/latex] |
23.990 961 |
[latex]\beta ^{-}[/latex] |
14.96 h |
12 |
Magnesium |
24 |
[latex]^{24} \textbf{Mg}[/latex] |
23.985 042 |
78.99% |
|
13 |
Aluminum |
27 |
[latex]^{27} \textbf{Al}[/latex] |
26.981 539 |
100% |
|
14 |
Silicon |
28 |
[latex]^{28} \textbf{Si}[/latex] |
27.976 927 |
92.23% |
2.62h |
|
|
31 |
[latex]^{31} \textbf{Si}[/latex] |
30.975 362 |
[latex]\beta ^{-}[/latex] |
|
15 |
Phosphorus |
31 |
[latex]^{31} \textbf{P}[/latex] |
30.973 762 |
100% |
|
|
|
32 |
[latex]^{32} \textbf{P}[/latex] |
31.973 907 |
[latex]\beta ^{-}[/latex] |
14.28 d |
16 |
Sulfur |
32 |
[latex]^{32} \textbf{S}[/latex] |
31.972 070 |
95.02% |
|
|
|
35 |
[latex]^{35} \textbf{S}[/latex] |
34.969 031 |
[latex]\beta ^{-}[/latex] |
87.4 d |
17 |
Chlorine |
35 |
[latex]^{35} \textbf{Cl}[/latex] |
34.968 852 |
75.77% |
|
|
|
37 |
[latex]^{37} \textbf{Cl}[/latex] |
36.965 903 |
24.23% |
|
18 |
Argon |
40 |
[latex]^{40} \textbf{Ar}[/latex] |
39.962 384 |
99.60% |
|
19 |
Potassium |
39 |
[latex]^{39} \textbf{K}[/latex] |
38.963 707 |
93.26% |
|
|
|
40 |
[latex]^{40} \textbf{K}[/latex] |
39.963 999 |
0.0117%, EC, [latex]\beta ^{-}[/latex] |
[latex]1.28 \times 10^9 \text{y}[/latex] |
20 |
Calcium |
40 |
[latex]^{40} \textbf{Ca}[/latex] |
39.962 591 |
96.94% |
|
21 |
Scandium |
45 |
[latex]^{45} \textbf{Sc}[/latex] |
44.955 910 |
100% |
|
22 |
Titanium |
48 |
[latex]^{48} \textbf{Ti}[/latex] |
47.947 947 |
73.8% |
|
23 |
Vanadium |
51 |
[latex]^{51} \textbf{V}[/latex] |
50.943 962 |
99.75% |
|
24 |
Chromium |
52 |
[latex]^{52} \textbf{Cr}[/latex] |
51.940 509 |
83.79% |
|
25 |
Manganese |
55 |
[latex]^{55} \textbf{Mn}[/latex] |
54.938 047 |
100% |
|
26 |
Iron |
56 |
[latex]^{56} \textbf{Fe}[/latex] |
55.934 939 |
91.72% |
|
27 |
Cobalt |
59 |
[latex]^{59} \textbf{Co}[/latex] |
58.933 198 |
100% |
|
|
|
60 |
[latex]^{60} \textbf{Co}[/latex] |
59.933 819 |
[latex]\beta ^{-}[/latex] |
5.271 y |
28 |
Nickel |
58 |
[latex]^{58} \textbf{Ni}[/latex] |
57.935 346 |
68.27% |
|
|
|
60 |
[latex]^{60} \textbf{Ni}[/latex] |
59.930 788 |
26.10% |
|
29 |
Copper |
63 |
[latex]^{63} \textbf{Cu}[/latex] |
62.939 598 |
69.17% |
|
|
|
65 |
[latex]^{65} \textbf{Cu}[/latex] |
64.927 793 |
30.83% |
|
30 |
Zinc |
64 |
[latex]^{64} \textbf{Zn}[/latex] |
63.929 145 |
48.6% |
|
|
|
66 |
[latex]^{66} \textbf{Zn}[/latex] |
65.926 034 |
27.9% |
|
31 |
Gallium |
69 |
[latex]^{69} \textbf{Ga}[/latex] |
68.925 580 |
60.1% |
|
32 |
Germanium |
72 |
[latex]^{72} \textbf{Ge}[/latex] |
71.922 079 |
27.4% |
|
|
|
74 |
[latex]^{74} \textbf{Ge}[/latex] |
73.921 177 |
36.5% |
|
33 |
Arsenic |
75 |
[latex]^{75} \textbf{As}[/latex] |
74.921 594 |
100% |
|
34 |
Selenium |
80 |
[latex]^{80} \textbf{Se}[/latex] |
79.916 520 |
49.7% |
|
35 |
Bromine |
79 |
[latex]^{79} \textbf{Br}[/latex] |
78.918 336 |
50.69% |
|
36 |
Krypton |
84 |
[latex]^{84} \textbf{Kr}[/latex] |
83.911 507 |
57.0% |
|
37 |
Rubidium |
85 |
[latex]^{85} \textbf{Rb}[/latex] |
84.911 794 |
72.17% |
|
38 |
Strontium |
86 |
[latex]^{86} \textbf{Sr}[/latex] |
85.909 267 |
9.86% |
|
|
|
88 |
[latex]^{88} \textbf{Sr}[/latex] |
87.905 619 |
82.58% |
|
|
|
90 |
[latex]^{90} \textbf{Sr}[/latex] |
89.907 738 |
[latex]\beta ^{-}[/latex] |
28.8 y |
39 |
Yttrium |
89 |
[latex]^{89} \textbf{Y}[/latex] |
88.905 849 |
100% |
|
|
|
90 |
[latex]^{90} \textbf{Y}[/latex] |
89.907 152 |
[latex]\beta ^{-}[/latex] |
64.1 h |
40 |
Zirconium |
90 |
[latex]^{90} \textbf{Zr}[/latex] |
89.904 703 |
51.45% |
|
41 |
Niobium |
93 |
[latex]^{93} \textbf{Nb}[/latex] |
92.906 377 |
100% |
|
42 |
Molybdenum |
98 |
[latex]^{98} \textbf{Mo}[/latex] |
97.905 406 |
24.13% |
|
43 |
Technetium |
98 |
[latex]^{98} \textbf{Tc}[/latex] |
97.907 215 |
[latex]\beta ^{-}[/latex] |
[latex]4.2 \times 10^6 \text{y}[/latex] |
44 |
Ruthenium |
102 |
[latex]^{102} \textbf{Ru}[/latex] |
101.904 348 |
31.6% |
|
45 |
Rhodium |
103 |
[latex]^{103} \textbf{Rh}[/latex] |
102.905 500 |
100% |
|
46 |
Palladium |
106 |
[latex]^{106} \textbf{Pd}[/latex] |
105.903 478 |
27.33% |
|
47 |
Silver |
107 |
[latex]^{107} \textbf{Ag}[/latex] |
106.905 092 |
51.84% |
|
|
|
109 |
[latex]^{109} \textbf{Ag}[/latex] |
108.904 757 |
48.16% |
|
48 |
Cadmium |
114 |
[latex]^{114} \textbf{Cd}[/latex] |
113.903 357 |
28.73% |
|
49 |
Indium |
115 |
[latex]^{115} \textbf{In}[/latex] |
114.903 880 |
95.7%, [latex]\beta ^{-}[/latex] |
[latex]4.4 \times 10^{14} \text{y}[/latex] |
50 |
Tin |
120 |
[latex]^{120} \textbf{Sn}[/latex] |
119.902 200 |
32.59% |
|
51 |
Antimony |
121 |
[latex]^{121} \textbf{Sb}[/latex] |
120.903 821 |
57.3% |
|
52 |
Tellurium |
130 |
[latex]^{130} \textbf{Te}[/latex] |
129.906 229 |
33.8%, [latex]\beta ^{-}[/latex] |
[latex]2.5 \times 10^{21} \text{y}[/latex] |
53 |
Iodine |
127 |
[latex]^{127} \textbf{I}[/latex] |
126.904 473 |
100% |
|
|
|
131 |
[latex]^{131} \textbf{I}[/latex] |
130.906 114 |
[latex]\beta ^{-}[/latex] |
8.040 d |
54 |
Xenon |
132 |
[latex]^{132} \textbf{Xe}[/latex] |
131.904 144 |
26.9% |
|
|
|
136 |
[latex]^{136} \textbf{Xe}[/latex] |
135.907 214 |
8.9% |
|
55 |
Cesium |
133 |
[latex]^{133} \textbf{Cs}[/latex] |
132.905 429 |
100% |
|
|
|
134 |
[latex]^{134} \textbf{Cs}[/latex] |
133.906 696 |
EC, [latex]\beta ^{-}[/latex] |
2.06 y |
56 |
Barium |
137 |
[latex]^{137} \textbf{Ba}[/latex] |
136.905 812 |
11.23% |
|
|
|
138 |
[latex]^{138} \textbf{Ba}[/latex] |
137.905 232 |
71.70% |
|
57 |
Lanthanum |
139 |
[latex]^{139} \textbf{La}[/latex] |
138.906 346 |
99.91% |
|
58 |
Cerium |
140 |
[latex]^{140} \textbf{Ce}[/latex] |
139.905 433 |
88.48% |
|
59 |
Praseodymium |
141 |
[latex]^{141} \textbf{Pr}[/latex] |
140.907 647 |
100% |
|
60 |
Neodymium |
142 |
[latex]^{142} \textbf{Nd}[/latex] |
141.907 719 |
27.13% |
|
61 |
Promethium |
145 |
[latex]^{145} \textbf{Pm}[/latex] |
144.912 743 |
EC, [latex]\alpha[/latex] |
17.7 y |
62 |
Samarium |
152 |
[latex]^{152} \textbf{Sm}[/latex] |
151.919 729 |
26.7% |
|
63 |
Europium |
153 |
[latex]^{153} \textbf{Eu}[/latex] |
152.921 225 |
52.2% |
|
64 |
Gadolinium |
158 |
[latex]^{158} \textbf{Gd}[/latex] |
157.924 099 |
24.84% |
|
65 |
Terbium |
159 |
[latex]^{159} \textbf{Tb}[/latex] |
158.925 342 |
100% |
|
66 |
Dysprosium |
164 |
[latex]^{164} \textbf{Dy}[/latex] |
163.929 171 |
28.2% |
|
67 |
Holmium |
165 |
[latex]^{165} \textbf{Ho}[/latex] |
164.930 319 |
100% |
|
68 |
Erbium |
166 |
[latex]^{166} \textbf{Er}[/latex] |
165.930 290 |
33.6% |
|
69 |
Thulium |
169 |
[latex]^{169} \textbf{Tm}[/latex] |
168.934 212 |
100% |
|
70 |
Ytterbium |
174 |
[latex]^{174} \textbf{Yb}[/latex] |
173.938 859 |
31.8% |
|
71 |
Lutecium |
175 |
[latex]^{175} \textbf{Lu}[/latex] |
174.940 770 |
97.41% |
|
72 |
Hafnium |
180 |
[latex]^{180} \textbf{Hf}[/latex] |
179.946 545 |
35.10% |
|
73 |
Tantalum |
181 |
[latex]^{181} \textbf{Ta}[/latex] |
180.947 992 |
99.98% |
|
74 |
Tungsten |
184 |
[latex]^{184} \textbf{W}[/latex] |
183.950 928 |
30.67% |
|
75 |
Rhenium |
187 |
[latex]^{187} \textbf{Re}[/latex] |
186.955 744 |
62.6%, [latex]\beta ^{-}[/latex] |
[latex]4.6 \times 10^{10} \text{y}[/latex] |
76 |
Osmium |
191 |
[latex]^{191} \textbf{Os}[/latex] |
190.960 920 |
[latex]\beta ^{-}[/latex] |
15.4 d |
|
|
192 |
[latex]^{192} \textbf{Os}[/latex] |
191.961 467 |
41.0% |
|
77 |
Iridium |
191 |
[latex]^{191} \textbf{Ir}[/latex] |
190.960 584 |
37.3% |
|
|
|
193 |
[latex]^{193} \textbf{Ir}[/latex] |
192.962 917 |
62.7% |
|
78 |
Platinum |
195 |
[latex]^{195} \textbf{Pt}[/latex] |
194.964 766 |
33.8% |
|
79 |
Gold |
197 |
[latex]^{197} \textbf{Au}[/latex] |
196.966 543 |
100% |
|
|
|
198 |
[latex]^{198} \textbf{Au}[/latex] |
197.968 217 |
[latex]\beta ^{-}[/latex] |
2.696 d |
80 |
Mercury |
199 |
[latex]^{199} \textbf{Hg}[/latex] |
198.968 253 |
16.87% |
|
|
|
202 |
[latex]^{202} \textbf{Hg}[/latex] |
201.970 617 |
29.86% |
|
81 |
Thallium |
205 |
[latex]^{205} \textbf{Tl}[/latex] |
204.974 401 |
70.48% |
|
82 |
Lead |
206 |
[latex]^{206} \textbf{Pb}[/latex] |
205.974 440 |
24.1% |
|
|
|
207 |
[latex]^{207} \textbf{Pb}[/latex] |
206.975 872 |
22.1% |
|
|
|
208 |
[latex]^{208} \textbf{Pb}[/latex] |
207.976 627 |
52.4% |
|
|
|
210 |
[latex]^{210} \textbf{Pb}[/latex] |
209.984 163 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
22.3 y |
|
|
211 |
[latex]^{211} \textbf{Pb}[/latex] |
210.988 735 |
[latex]\beta ^{-}[/latex] |
36.1 min |
|
|
212 |
[latex]^{212} \textbf{Pb}[/latex] |
211.991 871 |
[latex]\beta ^{-}[/latex] |
10.64 h |
83 |
Bismuth |
209 |
[latex]^{209} \textbf{Bi}[/latex] |
208.980 374 |
100% |
|
|
|
211 |
[latex]^{211} \textbf{Bi}[/latex] |
210.987 255 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
2.14 min |
84 |
Polonium |
210 |
[latex]^{210} \textbf{Po}[/latex] |
209.982 848 |
[latex]\alpha[/latex] |
138.38 d |
85 |
Astatine |
218 |
[latex]^{218} \textbf{At}[/latex] |
218.008 684 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
1.6 s |
86 |
Radon |
222 |
[latex]^{222} \textbf{Rn}[/latex] |
222.017 570 |
[latex]\alpha[/latex] |
3.82 d |
87 |
Francium |
223 |
[latex]^{223} \textbf{Fr}[/latex] |
223.019 733 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
21.8 min |
88 |
Radium |
226 |
[latex]^{226} \textbf{Ra}[/latex] |
226.025 402 |
[latex]\alpha[/latex] |
[latex]1.60 \times 10^3 \text{y}[/latex] |
89 |
Actinium |
227 |
[latex]^{227} \textbf{Ac}[/latex] |
227.027 750 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
21.8 y |
90 |
Thorium |
228 |
[latex]^{228} \textbf{Th}[/latex] |
228.028 715 |
[latex]\alpha[/latex] |
1.91 y |
|
|
232 |
[latex]^{232} \textbf{Th}[/latex] |
232.038 054 |
100%, [latex]\alpha[/latex] |
[latex]1.41 \times 10^{10} \text{y}[/latex] |
91 |
Protactinium |
231 |
[latex]^{231} \textbf{Pa}[/latex] |
231.035 880 |
[latex]\alpha[/latex] |
[latex]3.28 \times 10^4 \text{y}[/latex] |
92 |
Uranium |
233 |
[latex]^{233} \textbf{U}[/latex] |
233.039 628 |
[latex]\alpha[/latex] |
[latex]1.59 \times 10^3 \text{y}[/latex] |
|
|
235 |
[latex]^{235} \textbf{U}[/latex] |
235.043 924 |
0.720%, [latex]\alpha[/latex] |
[latex]7.04 \times 10^8 \text{y}[/latex] |
|
|
236 |
[latex]^{236} \textbf{U}[/latex] |
236.045 562 |
[latex]\alpha[/latex] |
[latex]2.34 \times 10^7 \text{y}[/latex] |
|
|
238 |
[latex]^{238} \textbf{U}[/latex] |
238.050 784 |
99.2745%, [latex]\alpha[/latex] |
[latex]4.47 \times 10^9 \text{y}[/latex] |
|
|
239 |
[latex]^{239} \textbf{U}[/latex] |
239.054 289 |
[latex]\beta ^{-}[/latex] |
23.5 min |
93 |
Neptunium |
239 |
[latex]^{239} \textbf{Np}[/latex] |
239.052 933 |
[latex]\beta ^{-}[/latex] |
2.355 d |
94 |
Plutonium |
239 |
[latex]^{239} \textbf{Pu}[/latex] |
239.052 157 |
[latex]\alpha[/latex] |
[latex]2.41 \times 10^4 \text{y}[/latex] |
95 |
Americium |
243 |
[latex]^{243} \textbf{Am}[/latex] |
243.061 375 |
[latex]\alpha[/latex], fission |
[latex]7.37 \times 10^3 \text{y}[/latex] |
96 |
Curium |
245 |
[latex]^{245} \textbf{Cm}[/latex] |
245.065 483 |
[latex]\alpha[/latex] |
[latex]8.50 \times 10^3 \text{y}[/latex] |
97 |
Berkelium |
247 |
[latex]^{247} \textbf{Bk}[/latex] |
247.070 300 |
[latex]\alpha[/latex] |
[latex]1.38 \times 10^3 \text{y}[/latex] |
98 |
Californium |
249 |
[latex]^{249} \textbf{Cf}[/latex] |
249.074 844 |
[latex]\alpha[/latex] |
351 y |
99 |
Einsteinium |
254 |
[latex]^{254} \textbf{Es}[/latex] |
254.088 019 |
[latex]\alpha[/latex], [latex]\beta ^{-}[/latex] |
276 d |
100 |
Fermium |
253 |
[latex]^{253} \textbf{Fm}[/latex] |
253.085 173 |
EC, [latex]\alpha[/latex] |
3.00 d |
101 |
Mendelevium |
255 |
[latex]^{255} \textbf{Md}[/latex] |
255.091 081 |
EC, [latex]\alpha[/latex] |
27 min |
102 |
Nobelium |
255 |
[latex]^{255} \textbf{No}[/latex] |
255.093 260 |
EC, [latex]\alpha[/latex] |
3.1 min |
103 |
Lawrencium |
257 |
[latex]^{257} \textbf{Lr}[/latex] |
257.099 480 |
EC, [latex]\alpha[/latex] |
0.646 s |
104 |
Rutherfordium |
261 |
[latex]^{261} \textbf{Rf}[/latex] |
261.108 690 |
[latex]\alpha[/latex] |
1.08 min |
105 |
Dubnium |
262 |
[latex]^{262} \textbf{Db}[/latex] |
262.113 760 |
[latex]\alpha[/latex], fission |
34 s |
106 |
Seaborgium |
263 |
[latex]^{263} \textbf{Sg}[/latex] |
263.11 86 |
[latex]\alpha[/latex], fission |
0.8 s |
107 |
Bohrium |
262 |
[latex]^{262} \textbf{Bh}[/latex] |
262.123 1 |
[latex]\alpha[/latex] |
0.102 s |
108 |
Hassium |
264 |
[latex]^{264} \textbf{Hs}[/latex] |
264.128 5 |
[latex]\alpha[/latex] |
0.08 ms |
109 |
Meitnerium |
266 |
[latex]^{266} \textbf{Mt}[/latex] |
266.137 8 |
[latex]\alpha[/latex] |
3.4 ms |
Table 1: Atomic Masses |