abinafif abinafif
  • 16-03-2020
  • Chemistry
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when a non metal gains or shares by two electrons,its valency will be​

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daud99
daud99 daud99
  • 16-03-2020

When a non metal gains or share by two electrons then the valency will be 2^- or 2^+

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eukalim
eukalim eukalim
  • 16-03-2020
As electrons are negatively charged particles, if it loses 2 electrons, there will be more protons than electrons by 2, therefore the valency will be 2+. If it gains 2 electrons, there will be more electrons than protons by 2, therefore the valency in this case will be 2-.
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