IELTS学术词汇 (分数5) - Chemistry

在这里，你将学习一些与化学相关的英语单词，这些单词是基础学术雅思考试所必需的。

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atom

[名词]

(science) the smallest part of a chemical element that is found in the nature

原子, 基本粒子

Ex: Scientists use sophisticated instruments such as electron microscopes to observe and study the structure of atoms.科学家使用电子显微镜等精密仪器来观察和研究**原子**的结构。

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molecule

[名词]

the smallest structure of a substance consisting of a group of atoms

分子

Ex: Chemical reactions often involve the breaking and forming of molecules.化学反应通常涉及**分子**的断裂和形成。

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element

[名词]

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

元素, 成分

Ex: Carbon is a versatile element found in all living organisms and many non-living materials .碳是一种多功能的**元素**，存在于所有生物体和许多非生物材料中。

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ion

[名词]

a particle with a net electric charge due to loss or gain of one or more electrons

离子, 带电粒子

Ex: Water conducts electricity because it contains dissolved ions.水能导电，因为它含有溶解的**离子**。

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reaction

[名词]

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

反应

Ex: Balancing equations ensures mass conservation in a reaction.平衡方程确保**反应**中的质量守恒。

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mixture

[名词]

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

混合物

Ex: Alloys like brass are solid mixtures of copper and zinc .像黄铜这样的合金是铜和锌的固体**混合物**。

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acid

[名词]

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

酸, 酸性物质

Ex: When dissolved in water, carbonic acid forms from carbon dioxide, contributing to the acidity of rainwater.当溶于水时，二氧化碳形成**酸**，增加了雨水的酸度。

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base

[名词]

(chemistry) a substance that can accept protons, donate electrons, or release hydroxide ions in aqueous solution

碱

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gas

[名词]

the state of a substance that is neither solid nor liquid

气体

Ex: She felt dizzy after inhaling the toxic gas released from the factory .吸入工厂释放的有毒**气体**后，她感到头晕。

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liquid

[名词]

a substance such as water that flows freely, unlike a gas or a solid

液体

Ex: When the ice melted, it turned back into liquid water, filling the glass to the brim.当冰融化时，它又变回了**液体**水，把杯子装满了。

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solid

[名词]

a substance that is firm and has a certain shape, not like gas or liquid

固体, 固态物质

Ex: The solid in the container was difficult to break apart without tools.容器中的**固体**很难在没有工具的情况下打碎。

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to transition

[动词]

to make something change from a particular state, condition or position to another

过渡, 进行转变

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[名词]

a quantitive mesasure used for determining how acidic or alkanic something is on a scale of 0 to 14

pH值

Ex: Bleach 's pH of 12 makes it a strong base .

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IELTS学术词汇 (分数5)

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IELTS学术词汇 (分数5) - Chemistry