Write the symbol and name of the elements and atomic number for first

1.	Write the symbol and name of the elements and atomic number for first 20 elements
Answer» Hydrogen H Helium. He Lithium Li BERYLLIUM Be Boron B Carbon C Nitrogen. N Oxygen O Fluorine Fe Neon Ne Sodium Na Magnesium MG Aluminium Al Silicon Si PHOSPHORUS P Sulfur -S Chlorine. -Cl ARGON- Ar Potassium- K Calcium -Ca

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