阿Q吧 > Na2so3各部分的化合价 是多少

Na2so3各部分的化合价 是多少

2025-03-16 13:45:56
推荐回答（1个）
回答1：

因为这是离子化合物.
由钠离子和亚硫酸根离子组成.
其中钠离子是+1价,所以亚硫酸根离子是-2价.

因为在硫和氧中,氧的非金属性更强,所以在硫和氧形成的电子对中
电子应该偏向氧元素.
所以氧应该是负价,即为-2价.
因为有3个氧原子,所以因为亚硫酸根为-2价.
所以硫元素应该是+4价.

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