grishnashrestha27 grishnashrestha27
  • 19-08-2021
  • Chemistry
contestada

20 elements with there molecular formula
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Respuesta :

sivasangaripazhanive sivasangaripazhanive
  • 19-08-2021

Answer:

First 20 Elements

Atomic Number Element Symbol

17 Chlorine Cl

18 Argon Ar

19 Potassium K

20 Calcium Ca

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