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Periodic Table
Elements #1 - #20
Symbol | Element&Atomic# |
---|---|
H | Hydrogen #1 |
He | Helium #2 |
Li | Lithium #3 |
Be | Beryllium #4 |
B | Boron #5 |
C | Carbon #6 |
N | Nitrogen #7 |
O | Oxygen #8 |
F | Fluorine #9 |
Ne | Neon #10 |
Na | Sodium #11 |
Mg | Magnesium #12 |
Al | Aluminum #13 |
Si | Silicon #14 |
P | Phosphorus #15 |
S | Sulfur #16 |
Cl | Chlorine #17 |
Ar | Argon #18 |
K | Potassium #19 |
Ca | Calcium #20 |