急急急 求解答,九年级化学,选适当物质按要求写化学式,物质可重复,要陪平,化合价后的,化学式,急急
推荐回答(2个)
一.初中常见物质的化学式
(1)非金属单质
氢气 碳 氮气 氧气 磷 硫 氯气
H2 C N2 O2 P S Cl2
(2)金属单质
钠 镁 铝 钾 钙 铁 锌 铜 钡 钨 汞
Na Mg Al K Ca Fe Zn Cu Ba W Hg
(3)常见氧化物
水 一氧化碳 二氧化碳 五氧化二磷 氧化钠 二氧化氮 二氧化硅
H2O CO CO2 P2O5 Na2O NO2 SiO2
二氧化硫 三氧化硫 一氧化氮 氧化镁 氧化铜 氧化钡 氧化亚铜
SO2 SO3 NO MgO CuO BaO Cu2O
氧化亚铁 三氧化二铁(铁红) 四氧化三铁 三氧化二铝 三氧化钨
FeO Fe2O3 Fe3O4 Al2O3 WO3
氧化银 氧化铅 二氧化锰
Ag2O PbO MnO2
(4)氯化物/盐酸盐
氯化钾 氯化钠(食盐) 氯化镁 氯化钙 氯化铜 氯化锌 氯化钡 氯化铝
KCl NaCl MgCl2 CaCl2 CuCl2 ZnCl2 BaCl2 AlCl3
氯化亚铁 氯化铁 氯化银
FeCl2 FeCl3 AgCl
(5)常见的酸
硫酸 盐酸 硝酸 磷酸 硫化氢 溴化氢 碳酸
H2SO4 HCl HNO3 H3PO4 H2S HBr H2CO3
(6)常见的盐
硫酸铜 硫酸钡 硫酸钙 硫酸钾 硫酸镁 硫酸亚铁 硫酸铁 碳酸钾
CuSO4 BaSO4 CaSO4 KSO4 MgSO4 FeSO4 Fe2 (SO4)3 K2CO3
硫酸铝 硫酸氢钠 硫酸氢钾 亚硫酸钠 硝酸钠 硝酸钾 硝酸银
Al2(SO4)3 NaHSO4 KHSO4 NaSO3 NaNO3 KNO3 AgNO3
硝酸镁 硝酸铜 硝酸钙 亚硝酸钠 碳酸钠 碳酸钙 碳酸镁
MgNO3 Cu(NO3)2 Ca(NO3)2 NaNO3 Na2CO3 CaCO3 MgCO3
(7)常见的碱
氢氧化钠 氢氧化钙 氢氧化钡 氢氧化镁 氢氧化铜 氢氧化钾 氢氧化铝
NaOH Ca(OH)2 Ba(OH)2 Mg(OH)2 Cu(OH)2 KOH Al(OH)3
氢氧化铁 氢氧化亚铁
Fe(OH)3 Fe(OH)2
(8)常见有机物
甲烷 乙炔 甲醇 乙醇 乙酸
CH4 C2H2 CH3OH C2H5OH CH3COOH
(9)常见结晶水合物
碱式碳酸铜 石膏 熟石膏 明矾 绿矾
Cu2(OH)2CO3 CaSO4•2H2O 2CaSO4•H2O KAl(SO4)2•12H2O FeSO4•7H2O
蓝矾 碳酸钠晶体
CuSO4•5H2O Na2CO3•10H2O
(10)常见化肥
尿素 硝酸铵 硫酸铵 碳酸氢铵 磷酸二氢钾
CO(NH2)2 NH4NO3 (NH4)2SO4 NH4HCO3 KH2PO4
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