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Hi mate
Your answer is
Name of Element:-Nitrogen
Valency:-3
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Answer:element = nitrogen
valency = 3
Explanation:
element is nitrogan because it has total electrons 2 + 5 = 7 and protons = electrons . it means its atomic no. is 7 which is nitrogen as stated above.
valency is 3 because it needs three more electrons to become stable .
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