摘要:(1)C:钠 E:1s22s22p63s23p5.(2) Na+ [ O H]- (3)O2-﹥Na+﹥Al3+ (4)①Cl2 + 2OH-→Cl- + ClO- +H2O ②2Al + 2NaOH + 2H2O→2NaAlO2 + 3H2↑ ③2Na2O2 +2H2O→4NaOH + O2↑ Na2O+H2O→2NaOH

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