Elements X and Y have electronic configurations 1s2 2 2s2 2 2p4 4 and 1s2 2 2s2 2 2p6 6 3s2 2 3p1 1 respectively. When they combine, the formula of the comp...

Question 1 Report

Elements X and Y have electronic configurations 1s $^{2}$ 2s $^{2}$ 2p $^{4}$ and 1s $^{2}$ 2s $^{2}$ 2p $^{6}$ 3s $^{2}$ 3p $^{1}$ respectively. When they combine, the formula of the compound formed is

_{2}

_{2}

_{3}

_{2}

_{3}

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