Here we have added the most common elements of the earth's seawater to
the list of the most common elements of the earth's crust and the
adundant elements of the cosmos.
'mcI' = most common Isotope
'SI' = Stable Isotope
| Z |
element |
A 'mcI' |
'mcI' % |
# of 'SI' |
| 1 |
Hydrogen |
1 |
99.985% |
2 |
| 2 |
Helium |
4 |
99.999863% |
2 |
| 6 |
Carbon |
12 |
98.89% |
2 |
| 7 |
Nitrogen |
14 |
99.634% |
2 |
| 8 |
Oxygen |
16 |
99.762% |
3 |
| 10 |
Neon |
20 |
90.48% |
3 |
| 11 |
Sodium |
23 |
100% |
1 |
| 12 |
Magnesium |
24 |
78.99% |
3 |
| 13 |
Aluminum |
27 |
100% |
1 |
| 14 |
Silicon |
28 |
92.23% |
3 |
| 16 |
Sulfur |
32 |
95.02% |
4 |
| 17 |
Chlorine |
35 |
75.77% |
2 |
| 18 |
Argon |
40 |
99.60% |
3 |
| 19 |
Potassium |
39 |
93.2581% |
2 |
| 20 |
Calcium |
39 |
96.941% |
5 |
| 26 |
Titanium |
48 |
73.8% |
5 |
| 26 |
Iron |
56 |
91.72% |
4 |
| 35 |
Bromine |
79 |
50.69% |
2 |
| -- |
Bromine |
81 |
49.31% |
-- |
| 38 |
Strontium |
88 |
82.58% |
4 |