化学 Chemistry
空气(air)
物质的构成(Composition of matter)
水(Water)
碳和碳的化合物(Carbon and carbon compounds)
燃料(Fuel)
金属和金属材料(Metals and metallic materials)
溶液(liquor)
酸，碱，盐(Acids, bases, salts)
氮气(Nitrogen)（78%）
稀有气体(Noble gas)（0.94%）
氧气(Oxygen)（21%）
制造低温，电光源(Making low-temperature, electric light sources)
化工原料，食品包装，制造低温(Chemical raw materials, food packaging, manufacturing low temperature)
性质(proporties)
实验室制取(Laboratory preparation)
供给呼吸，支持燃烧(Provides breathing and supports combustion)
难溶于水(Insoluble in water)
可燃(combustible)
无色无味(Colorless and odorless)
高锰酸钾分解(Decomposition of potassium permanganate)
过氧化氢分解(Hydrogen peroxide decomposition)
氯化钾分解(Potassium chloride decomposition)
氧化反应(Oxidation reaction)
分子(molecule)
原子(atom)
元素(element)
相对原子质量(Relative atomic mass)
化学变化中最小的粒子(The smallest particle of chemical change)
由电子，原子核构成(made of electrons, atomic nuclei)
可以构成物质(Composible substance)
分子间有间隔，不停做无规则运动(There are gaps between the molecules, and they're in random motion)
质量小，体积小(Small mass, small size)
由原子构成(Made of atoms)
元素周期表(The periodic table of elements)
净化(decontamination)
水资源(Water resources)
电解水（正氧负氢）(Electrolysis of water)
单质，化合物，氧化物(Elements, compounds, oxides)
过滤(filtration)
吸附(adsorb)
加絮凝剂沉淀(Flocculant is added to precipitate)
蒸馏(distil)
消毒(disinfection)
一贴，二低，三靠
水体污染(Water pollution)
爱护水资源(Protect water resources)
合金(alloy)
工业废水(Industrial wastewater)
生活污水排放(Domestic sewage discharge)
化肥农药(Chemical fertilizer and pesticide)
节约用水(Save water)
改进工业技术(improve industrial technology)
污水处理(Sewage treatment)
一氧化碳(Carbon monoxide)
碳单质(Carbon element)
二氧化碳(Carbon dioxide)
物理性质(Physical property)
化学性质(Chemical property)
制取：2HCl+CaCO3=CaCl2+H2O+CO2
无色无味，密度大于空气(Colorless, odorless, denser than air)
和水，澄清石灰水反应(react with water, clarified limewater)
化学性质(Chemical property)
物理性质(Physical property)
可燃性，还原性，毒性(Flammability, reducibility, toxicity)
无色无味，密度大于空气(Colorless, odorless, denser than air)
石墨(graphite)
C60
金刚石(diamond)
分子形似足球(The molecule is shaped like a football)
高科技领域(High-tech field)
沸点高，硬度小，导电性(High boiling point, low hardness, conductivity)
灰黑色固体(Gray-black solid)
硬度大(Great hardness)
燃烧(Combustion)
对环境影响(Environmental impact)
化石燃料(Fossil fuel)
氧气(oxygen)
着火点(Ignition point)
可燃物(inflammable)
天然气(Natural gas)
石油(petroleum)
煤(coal)
主要含碳元素(mainly contains carbon elements)
主要含碳，氧元素(Mainly containing carbon, oxygen elements)
可燃性(ignitability)
物理性质(Physical property)
金属活动性顺序(Metal activity sequence)
化学反应(Chemical property)
与酸反应(React with acid)
置换反应(Displacement reaction)
有光泽，延展性(Shiny, malleable)
能导电，导热(conducts electricity and heat)
是金属融合其他金属或非金属形成的混合物(A mixture of metals with other metals or non-metals)
硬度大，熔点低，耐腐蚀(High hardness, low melting point, corrosion resistance)
K、 Ca、 Na 、Mg 、Al 、Zn 、Fe 、Sn 、Pb、(H)、Cu 、Hg、 Ag、 Pt 、Au
溶解性(solubility)
分类(sort)
指两种或两种以上的物质混合形成均匀稳定的分散体系(Refers to the mixing of two or more substances to form a uniform and stable dispersion system)
溶解度曲线(Solubility curve)
饱和溶液和不饱和溶液(Saturated solution and unsaturated solution)
悬浊液，乳浊液，溶液(Suspension, emulsion, solution)
浓溶液和稀溶液(Strong solution and dilute solution)
易溶/可溶/微溶/难溶(Soluble/soluble/slightly soluble/insoluble)
酸(acid)
盐(salt)
酸碱指示剂(Acid-base indicator)
碱(alkali)
紫色石蕊试剂(Purple litmus reagent)
酚酞试剂(Phenolphthalein reagent)
与金属单质，金属氧化物反应(React with metal elements, metal oxides)
与酸碱指示剂，盐，碱反应(Reacts with acid-base indicators, salts, bases)
与酸碱指示剂，盐，酸反应(Reacts with acid-base indicators, salts, acids)
与金属氧化物反应(Reacts with metal oxides)
由金属元素（或铵根）和酸根组成(consists of metallic elements (or ammonium) and acid groups)
复分解反应(metareaction)
产生水/气体/沉淀(Produce water/gas/precipitation)
由金属元素（或铵根）和氢氧根组成(consists of metallic elements (or ammonium) and hydroxide)
由氢元素和酸根组成(made up of hydrogen and acid)
与氧气反应(React with oxygen)