雅思词汇（学术） - Chemistry

a poisonous chemical element with properties of both metals and nonmetals that is grey in color, used in industry or as a pesticide

砷

a soft silver-white metal that is an important element in bones and teeth

钙

a nonmetal element that can be found in all organic compounds and living things

a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring

a chemical element that is a colorless noble gas which is lighter than air

a valuable yellow-colored metal that is used for making jewelry

a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products

a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past

a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

a substance or compound produced or used in a process involving chemistry

a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties

(chemistry) a substance that its molecules consist of two or more elements that are held together by a chemical bond

(chemistry) to combine and form a compound with water molecules

水合,加水

(chemistry) a combination of two or more substances without forming a chemical bond or any chemical reaction

to take in a liquid, gas, or other substance from the surface chemically or physically

吸附,吸附作用

evenly distributed or in a state of stability

平衡的,稳定的

(chemistry) to react in a particular way because of the laws

a link that holds atoms or ions together in any molecule or crystal

to increase the rate of a chemical reaction

催化,加速

a chemical or nuclear process that is self-sustained and its products cause other processes of the same kind

链式反应

(chemistry) a process in which several chemicals combine and form different substances

化学反应

(chemistry) to lose water molecules during a chemical reaction

to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it

(chemistry) a symbolic representation of a chemical reaction that consists of the reactants and products

a set of conventional symbols that convey a fundumantal principle

(chemistry) to become separated from the solvent in a solid form

沉淀,以固体形式分开

the action of keeping something the way it is or in good condition

(chemistry) a process in which several chemicals combine and form different substances

反应,化学反应

a light silver-gray metal used primarily for making cooking equipment and aircraft parts

铝,铝 (中文)