TOEFL 어휘

mass of substance per mole

몰 질량

si unit of amount of substance

몰; 물질량의 국제단위계 단위

neutral group of chemically bonded atoms

분자

react acid and base to reduce acidic or basic effect

중화하다

electrically neutral particle in atomic nucleus

중성자

element without typical metallic properties

비금속; 비금속 원소

carbon based compound in organic chemistry

유기 화합물

loss of electrons or increase in oxidation state

산화; 산화 반응

compound of oxygen with another element

산화물

undergo or cause increase in oxidation state

산화되다; 산화시키다

small unit or piece of material

입자; 알갱이

ordered chart of chemical elements

주기율표

logarithmic measure related to hydrogen ion activity

pH; 산성도를 나타내는 지표

instrument for transferring small liquid volumes

피펫; 액체를 소량 옮기는 기구

polymer based material shaped during manufacture

플라스틱

substance with large molecules of linked units

중합체; 고분자 물질

agreement among repeated measurement results

정밀도

substance formed by a chemical reaction

생성물; 반응 생성물

positively charged particle in atomic nucleus

양성자

material with fixed chemical composition

순물질

undergo a chemical change

화학 반응을 일으키다

starting substance changed in chemical reaction

반응물

speed of change in reactants or products

반응 속도

gain of electrons or decrease in oxidation state

환원; 환원 반응

reaction that can proceed in both directions

가역 반응

protective eyewear enclosing eye area

안전 보안경

containing equilibrium limit of dissolved solute

포화된

state with definite shape and volume

고체

equilibrium amount that can dissolve under conditions

용해도