Physics, asked by chinnikota, 11 months ago

What are the first 20 elements?

Answers

Answered by Anonymous

7

Hydrogen
Helium
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulphur
Chlorine
Argon
Potassium
Calcium

Note -Serial number is Atomic number .

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