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Question number 35
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(i)the element X is nitrogen.
protons=7
electrons-7
nuetrons=7.
(ii)valency= -3 or +3 depending on which element u r combinating with it.
(iii)ec= 1s2 2s2 2p3
protons=7
electrons-7
nuetrons=7.
(ii)valency= -3 or +3 depending on which element u r combinating with it.
(iii)ec= 1s2 2s2 2p3
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