托福詞彙

mass of substance per mole

莫耳質量

si unit of amount of substance

莫耳；物質量的國際單位制單位

neutral group of chemically bonded atoms

分子

react acid and base to reduce acidic or basic effect

中和

electrically neutral particle in atomic nucleus

中子

element without typical metallic properties

非金屬；非金屬元素

carbon based compound in organic chemistry

有機化合物

loss of electrons or increase in oxidation state

氧化；氧化反應

compound of oxygen with another element

氧化物

undergo or cause increase in oxidation state

氧化；使氧化

small unit or piece of material

粒子；顆粒

ordered chart of chemical elements

元素週期表

logarithmic measure related to hydrogen ion activity

pH；酸鹼度指標

instrument for transferring small liquid volumes

移液管；移液器

substance with large molecules of linked units

聚合物；高分子

agreement among repeated measurement results

精密度

substance formed by a chemical reaction

生成物；反應產物

positively charged particle in atomic nucleus

質子

material with fixed chemical composition

純物質

undergo a chemical change

發生化學反應

starting substance changed in chemical reaction

反應物

speed of change in reactants or products

反應速率

gain of electrons or decrease in oxidation state

還原；還原反應

reaction that can proceed in both directions

可逆反應

protective eyewear enclosing eye area

安全護目鏡

containing equilibrium limit of dissolved solute

飽和的

digit retained to express measurement detail

有效數字

state with definite shape and volume

固體

equilibrium amount that can dissolve under conditions

溶解度