📚 KS3 Edexcel Chemistry: Vocabulary & Terminology Quick Memorisation Guide | KS3 Edexcel 化学:词汇术语速记指南
Welcome to your ultimate guide for mastering key chemistry terms for KS3 Edexcel. A strong vocabulary unlocks understanding of concepts, experiments, and equations. This article provides clever memorisation tricks, roots, and associations to help you recall even the trickiest terminology quickly and confidently.
欢迎来到 KS3 Edexcel 化学核心术语速记终极指南。扎实的词汇基础能帮你理解概念、实验和方程式。本文将提供巧妙的记忆窍门、词根和联想,助你快速且自信地记住最棘手的术语。
1. Particle Theory Basics | 微粒理论基本术语
Atom: The smallest particle of an element that still has its properties. Think of 'a-tom', like a single Tom cat – it cannot be split while keeping its identity.
原子(atom):保持元素性质的最小粒子。联想 'a-tom' 就像一只不可分割的汤姆猫,拆分后就不再是原来的元素。
Molecule: Two or more atoms held together. Picture a 'mole' holding hands with another atom – a cute group.
分子(molecule):两个或更多原子结合在一起。想象一只鼹鼠(mole)与另一原子手拉手,组成一个可爱的小团体。
Proton/Neutron/Electron: Proton – positive, 'pro' means for; Neutron – neutral, like a neutral friend; Electron – negative, remember 'e' for electricity.
质子(proton)、中子(neutron)、电子(electron):质子带正电,'pro' 像支持;中子不带电,是中立的伙伴;电子带负电,'e' 联想 electricity 电流。
2. Elements, Compounds & Mixtures | 元素、化合物与混合物
Element: A pure substance made of only one type of atom. 'ELEMENT' – think of a single lego brick, like oxygen (O).
元素(element):只由一种原子组成的纯净物。想象一块乐高积木,比如氧(O)。
Compound: Two or more elements chemically combined in fixed proportions. Water (H₂O) is a compound. Remember: elements come together and 'compound' their properties.
化合物(compound):两种或更多元素以固定比例化学结合。水 (H₂O) 就是化合物。记住:元素复合(compound)在一起,形成新特性。
Mixture: A combination of substances that are not chemically joined. Air is a mixture. Mnemonic: Mix ture – you can 'mix' them and separate easily.
混合物(mixture):未通过化学键结合的物质组合。空气是混合物。助记:mix(混合) + ture,你可以轻松混合并分离它们。
3. Periodic Table Memory Hacks | 周期表速记技巧
First 20 elements: Use a story: 'Happy Henry Likes Beer But Could Not Obtain Food; Naughty Magpies Always Sing Perfect Songs Clinging Around.' (H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar).
前20号元素:用故事记忆:'开心亨利喜欢啤酒却不能获得食物;淘气的喜鹊总是唱完美的歌四处环绕。' 对应 H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar。
Group 1: Alkali metals – 'Alkali' sounds like 'al-cal-i' – they are very reactive with water, forming alkalis. Think of a lively calico cat reacting with water.
第一族碱金属(alkali metals):'Alkali' 读音像 'al-cal-i',与水剧烈反应生成碱。联想一只活泼的三花猫(calico)碰到水就跳起来。
Group 7: Halogens – 'Halo' means salt-former; they produce salts. Imagine angel halos made of salt.
第七族卤素(halogens):'Halo-' 意为成盐者,它们制造盐。想象用盐制成的天使光环(halo)。
Group 0: Noble gases – they are 'noble' and unreactive, like kings who don't mingle.
0族稀有气体(noble gases):它们'高贵'且不反应,就像不与人交往的国王。
4. Types of Chemical Reactions | 化学反应类型术语
Synthesis: Two or more substances combine to form one product. 'Syn' means together, 'thesis' to place. A + B → AB.
合成反应(synthesis):两种或多种物质结合生成一种产物。'syn' 在一起,'thesis' 放置。A + B → AB。
Decomposition: One compound breaks down into simpler substances. 'De-' means remove, 'compose' to put together – taking apart. AB → A + B.
分解反应(decomposition):一种化合物分解成更简单的物质。'de-' 去除,'compose' 组合——拆开。AB → A + B。
Displacement: A more reactive element pushes out a less reactive one from a compound. Think of a stronger person displacing a weaker one from a seat.
置换反应(displacement):较活泼元素将不活泼元素从化合物中推出去。想象一个强者把弱者从座位上挤走。
Exothermic: Releases heat, exit-thermic, heat exits. Combustion is exothermic. Endothermic: absorbs heat, enter-thermic.
放热反应(exothermic):释放热量,'exo' 外出,热量出去。吸热反应(endothermic):吸收热量,'endo' 进入。
5. Acids, Alkalis & Neutralisation | 酸、碱与中和反应
Acid: A substance with pH less than 7 that donates hydrogen ions (H⁺). Remember 'A Cid' – citric acid in lemons, sour taste.
酸(acid):pH小于7并释放氢离子(H⁺)的物质。记住 'A Cid' 像柠檬中的柠檬酸,味道酸。
Alkali: A soluble base with pH greater than 7, releases OH⁻. 'Alkali' – think of 'al-kali' cleaning, feels soapy.
碱(alkali):可溶的碱,pH大于7,释放OH⁻。'Alkali' 联想到清洁,摸起来滑腻。
+ Water. The H⁺ from acid and OH⁻ from alkali form water. It neutralises like peacemaking.
中和(neutralisation):酸 + 碱 → 盐 + 水。酸中的H⁺与碱中的OH⁻结合成水,就像和事佬让双方和解。
6. Combustion & Oxidation | 燃烧与氧化
action of a substance with oxygen, releasing heat and light. Hydrocarbon + O₂ → CO₂ + H₂O. 'Com-bust' – burst into flames.
燃烧(combustion):物质与氧气快速反应,释放
Published by TutorHao | KS3 Chemistry Revision Series | aleveler.com
更多咨询请联系16621398022(同微信)

或截图后用「扫一扫 → 相册」选择本图