[00:00.000] 作词 : 化学老师们 [00:01.000] 作曲 : 小鲁班 [00:13.197]一价氢氯钾钠银 [00:16.448]二价氧钙镁钡锌 [00:19.444]三价铝 [00:20.443]四价硅 [00:21.195]五价磷 [00:22.693]单质化合价为零 [00:25.700]二三铁 二四碳 [00:28.948]铜汞正二价最常见 [00:31.691]二四六硫都齐全 [00:37.692] [00:38.451]负一氢氧硝酸根 [00:41.446]负二硫酸碳酸根 [00:44.695]还有正一是铵根 [00:51.195]负一氢氧硝酸根 [00:54.190]负二硫酸碳酸根 [00:57.440]还有正一是铵根