A:HCl的电子式为
B:N2的结构式 N≡N
C:O原子处于基态的轨道表示式:
D:用电子式表示MgCl2的形成:
如图
—You may learn art since you have a gift ____ painting and drawing.
twenty-one,eight,thirty,twelve,thirty-three
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连词成句