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The number of electrons in the outermost shell of an element is 5. What is its valency and why? |
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Answer» no. of electrons in OUTERMOST shell are five. For BECOMING stable, it can! GAIN 3 electrons to comp. 8 electrons in outermost shell or! loose 5 electrons.Bt loosing 5 electrons will take so much energy as compared to gain 3 electrons. So, it will gain 3 electrons.So VALENCY of element = -3Hope it may HELP u.... |
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