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First 20 Elements

The first 20 elements of the periodic table

ElementSymbol and Atomic Number
Hydrogen Symbol: H Atomic Number: 1
Helium Symbol: He Atomic Number: 2
Lithium Symbol: Li Atomic Number: 3
Beryllium Symbol: Be Atomic Number: 4
Boron Symbol: B Atomic Number: 5
Carbon Symbol: C Atomic Number: 6
Nitrogen Symbol: N Atomic Number: 7
Oxygen Symbol: O Atomic Number: 8
Fluorine Symbol: F Atomic Number: 9
Neon Symbol: Ne Atomic Number: 10
Sodium Symbol: Na Atomic Number: 11
Magnesium Symbol: Mg Atomic Number: 12
Aluminum Symbol: Al Atomic Number: 13
Silicon Symbol: Si Atomic Number: 14
Phosphorus Symbol: P Atomic Number: 15
Sulfur Symbol: S Atomic Number: 16
Chlorine Symbol: Cl Atomic Number:17
Argon Symbol: Ar Atomic Number: 18
Potassium Symbol: K Atomic Number: 19
Calcium Symbol: Ca Atomic Number: 20
Created by: 2300685