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Models of Bonding & Structure B.2 The Covalent Model (id: d0ab3354a)

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admin 发表于 2024-2-13 10:15:07 | 显示全部楼层 |阅读模式
本题目来源于试卷: Models of Bonding & Structure B.2 The Covalent Model,类别为 IB化学

[单选题]
In a $CO_2$ molecule, how many lone and bonding pairs of electrons are present in the Lewis-dot structure?




A. Lone pairs of electrons is 4;Bonding pairs is 4
B. Lone pairs of electrons is 2;Bonding pairs is 6
C. Lone pairs of electrons is 4;Bonding pairs is 2
D. Lone pairs of electrons is 2;Bonding pairs is 8


参考答案:  A


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