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初三化合價背誦口訣
初三化合價背誦口訣
更新时间:2024-11-26 08:26:36

  最新口訣:正一氫锂鈉鉀銀铵根,負一氟氯溴碘氫氧根,二價氧鈣鎂鋇鋅,三鋁四矽五氮磷,二三鐵、二四碳,二四六硫都齊全,錳有二四六和七,銅汞二價最常見。單質為0酸根負,一價硝酸根,二價硫酸碳酸根,三價就是磷酸根。

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