buradkarmayuresh
buradkarmayuresh buradkarmayuresh
  • 06-11-2021
  • Chemistry
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First 20 element with their type ( non metal ,metal) , symbol,valency , electronic configuration , atomic number ​

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RoSieTas
RoSieTas RoSieTas
  • 06-11-2021
The first 20 element have types metal non metal symbol valency electornic and etc I know it
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