TOEFL語彙

substance that can donate a proton

酸

energy barrier associated with a reaction pathway

活性化エネルギー

metallic material combining multiple elements

合金

sensitive laboratory instrument for measuring mass

分析天びん

having water as the solvent

水溶液の；水を溶媒とする

smallest unit retaining identity of element

原子

number of protons in an atomic nucleus

原子番号

substance that can accept a proton

塩基；陽子受容体

wide mouthed laboratory container

ビーカー

temperature where vapor pressure matches external pressure

沸点

likely to break with little bending

もろい；割れやすい

establish measurement relation using reference standards

校正する

relationship between instrument readings and reference values

校正；校正の過程

substance increasing reaction rate without net consumption

触媒

increase reaction rate by acting as catalyst

触媒として反応を促進する

inorganic nonmetallic material often processed with heat

セラミックス；セラミック材料

symbolic representation of chemical composition

化学式

transformation of substances into different substances

化学反応

layer applied to modify a surface

被膜；コーティング層

material combining distinct constituent materials

複合材料

substance with different elements chemically combined

化合物

amount of component relative to quantity of mixture

濃度

damage material through chemical interaction with environment

腐食する；腐食させる

chemical or electrochemical deterioration of material

腐食

able to damage material or tissue by chemical action

腐食性のある

bond involving shared electron pairs

共有結合

mass per unit volume of material

密度

decrease concentration by adding solvent

希釈する；薄める

process of reducing solution concentration

希釈；溶媒を加えて薄めること