First 20 Periodic Elements
Terms
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- Chlorine
- Cl
- Boron
- B
- Fluorine
- F
- Aluminum
- Al
- Nitrogen
- N
- Carbon
- C
- Phosphorus
- P
- Neon
- Ne
- Helium
- He
- Potassium
- K
- Lithium
- Li
- Oxygen
- O
- Magnesium
- Mg
- Calcium
- Ca
- Silicon
- Si
- Beryllium
- Be
- Sodium
- Na
- Argon
- Ar
- Sulfur
- S
- Hydrogen
- H