IELTS学术词汇 (分数6-7) - Chemistry

在这里，你将学习一些与化学相关的英语单词，这些单词是学术雅思考试所必需的。

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solution

[名词]

a mixture of different liquids

溶液, 混合物

Ex: Chemists often study solutions to understand how different substances interact .化学家经常研究**溶液**以了解不同物质如何相互作用。

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solvent

[名词]

a liquid that is capable of dissolving another substance

溶剂, 溶媒

Ex: Water is the universal solvent, capable of dissolving more substances like salt and sugar than any other liquid.水是通用的**溶剂**，能够比任何其他液体溶解更多的物质，如盐和糖。

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periodic table

[名词]

a tabular arrangement of chemical elements organized based on their atomic number, electron configuration, and recurring chemical properties

周期表, 元素周期表

Ex: The periodic table is a valuable tool for predicting the chemical behavior of elements and understanding their relationships .**周期表**是预测元素化学行为和理解它们之间关系的有价值工具。

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isotope

[名词]

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, leading to variation in atomic mass

同位素, 同位素形式

Ex: Isotopes play a crucial role in understanding nuclear reactions , radiometric dating , and various applications in science and technology .**同位素**在理解核反应、放射性测年以及科学和技术中的各种应用中起着至关重要的作用。

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halogen

[名词]

a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights

卤素, 卤族元素

Ex: The halogens share common properties such as high electronegativity and the ability to gain an electron to achieve a stable electron configuration .**卤素**具有共同的特性，如高电负性和获得电子以实现稳定电子构型的能力。

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noble gas

[名词]

any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations

惰性气体, 稀有气体

Ex: The noble gas configuration is characterized by a full outer electron shell , contributing to the stability and lack of reactivity .**惰性气体**的构型特点是具有完整的外电子壳，有助于稳定性和缺乏反应性。

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emulsion

[名词]

a mixture of two liquids where tiny droplets of one are evenly dispersed in the other, like oil in water

乳状液, 两种液体的混合物

Ex: Butter is an emulsion of water in fat , formed through the churning of cream , breaking down fat globules and dispersing them in the water phase .**黄油**是水在脂肪中的**乳液**，通过搅拌奶油形成，分解脂肪球并将其分散在水相中。

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half-life

[名词]

the time required for half of a quantity of a substance to undergo a change or decay, typically in the context of radioactive decay or chemical reactions

半衰期, 半寿期

Ex: The concept of half-life is applicable in fields such as pharmacology , geology , physics , and environmental science .**半衰期**的概念适用于药理学、地质学、物理学和环境科学等领域。

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radioactivity

[名词]

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei in radioactive substances

放射性

Ex: Neutrons produced in nuclear reactions can induce radioactivity in materials through neutron activation .核反应中产生的中子可以通过中子活化在材料中诱发**放射性**。

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depleted uranium

[名词]

a type of uranium that has most of its more radioactive isotopes removed, primarily used for armor-piercing ammunition and shielding

贫铀, depleted uranium

Ex: Depleted uranium can pose hazards if it enters the environment , such as through the release of dust or the contamination of soil and water .**贫铀**如果进入环境，如通过释放灰尘或污染土壤和水，可能会造成危害。

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IELTS学术词汇 (分数6-7)

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IELTS学术词汇 (分数6-7) - Chemistry