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periodic tale elemen
Term | Definition |
---|---|
H | 1 hydrogen |
He | 2 helium |
Li | 3 lithiuum |
Be | 4 beryllium |
B | 5 boron |
C | 6 carbon |
N | 7 nitrogen |
O | 8 |
F | 9 |
Ne | 10 |
Na | 11 |
Mg | 12 |
Al | 13 |
Si | 14 |
P | 15 |
S | 16 |
Cl | 17 |
Ar | 18 |
K | 19 |
Ca | 20 |
Sc | 21 |
Sc | 22 |
23 | |
24 | |
25 |