常见元素和原子团化合价氢______氯______钾_______钠________银_______氧_________钙________钡_______镁_______锌________铝________铁________亚铁_______铜________汞_________铵根_______硝酸根___________碳酸氢根__________氢氧根___________硫酸根__________碳酸根__________亚硫酸根____________氢______氯______钾_______钠________银_______氧_________钙________钡_______镁_______锌________铝________铁________亚铁_______铜________汞_________铵根_______硝酸根___________碳酸氢根__________氢氧根___________硫酸根__________碳酸根__________亚硫酸根____________氢______氯______钾_______钠________银_______氧_________钙________钡_______镁_______锌________铝________铁________亚铁_______铜________汞_________铵根_______硝酸根___________碳酸氢根__________氢氧根___________硫酸根__________碳酸根__________亚硫酸根____________氢______氯______钾_______钠________银_______氧_________钙________钡_______镁_______锌________铝________铁________亚铁_______铜________汞_________铵根_______硝酸根___________碳酸氢根__________氢氧根___________硫酸根__________碳酸根__________亚硫酸根____________常见物质的化学式原子直接构成的物质：金属单质：铁_______铜______铝______锌_______镁______汞________稀有气体：氦气______氖气____固态非金属单质：磷____硫____碳_____2、常见分子直接构成的物质：氧气_____氮气____氢气_____水____二氧化碳______3、其它常见的物质：过氧化氢（双氧水）______五氧化二磷________二氧化硫________三氧化硫_______四氧化三铁__________氧化铁（三氧化二铁）___________二氧化锰______一氧化碳_______氧化铜_________氧化钙（生石灰）_________氧化镁____________氧化铝（三氧化二铝）_________氧化汞_________二氧化氮___________臭氧____氨气______甲烷_______乙醇（酒精）______________尿素__________氯酸钾___________高锰酸钾_______________锰酸钾____________盐酸______硝酸_______碳酸_________硫酸_________亚硫酸______________氢氧化钾_________氢氧化钙（熟石灰、消石灰）________氢氧化镁____________氢氧化钠（火碱、烧碱、苛发性钠）____________氢氧化铝___________氢氧化铁___________氢氧化亚铁______________氢氧化铜_________氨水_______________氯化钾___________氯化钙___________氯化钠___________氯化镁__________氯化铝____________氯化锌___________氯化铁___________氯化亚铁_____________氯化铜____________氯化银___________氯化铵___________硝酸钾___________硝酸钠____________硝酸镁______________硝酸钙_____________硝酸铝_____________硝酸锌_______________硝酸铁___________硝酸亚铁_____________硝酸铜____________硝酸银_____________硝酸铵_____________硫酸钾_______________硫酸钙_______________硫