click below
click below
Normal Size Small Size show me how
Elements 1-20
| Term | Definition |
|---|---|
| 1 | Hydrogen, H |
| 2 | Helium, He |
| 3 | Lithium, Li |
| 4 | Beryllium, Be |
| 5 | Boron, B |
| 6 | Carbon, C |
| 7 | Nitrogen, N |
| 8 | Oxygen, O |
| 9 | Fluorine, F |
| 10 | Neon, N |
| 11 | Sodium, Na |
| 12 | Magnesium, Mg |
| 13 | Aluminum, Al |
| 14 | Silicon, Si |
| 15 | Phosphorus, P |
| 16 | Sulfur, S |
| 17 | Chlorine, Cl |
| 18 | Argon, A |
| 19 | Potassium, K |
| 20 | Calcium, Ca |