Vocabulaire pour l'IELTS Academic (Score 5) - Chemistry

Ici, vous apprendrez quelques mots anglais liés à la chimie qui sont nécessaires pour l'examen académique IELTS de base.

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atom

[nom]

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

atome

Ex: Scientists use sophisticated instruments such as electron microscopes to observe and study the structure of atoms.Les scientifiques utilisent des instruments sophistiqués tels que des microscopes électroniques pour observer et étudier la structure des **atomes**.

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molecule

[nom]

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

molécule

Ex: Chemical reactions often involve the breaking and forming of molecules.Les réactions chimiques impliquent souvent la rupture et la formation de **molécules**.

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element

[nom]

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

élément

Ex: Carbon is a versatile element found in all living organisms and many non-living materials .Le **élément** carbone est un élément polyvalent présent dans tous les organismes vivants et de nombreux matériaux non vivants.

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ion

[nom]

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

ion

Ex: Water conducts electricity because it contains dissolved ions.L'eau conduit l'électricité parce qu'elle contient des **ions** dissous.

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reaction

[nom]

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

réaction

Ex: Balancing equations ensures mass conservation in a reaction.L'équilibrage des équations assure la conservation de la masse dans une **réaction**.

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mixture

[nom]

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

mélange

Ex: Alloys like brass are solid mixtures of copper and zinc .Les alliages comme le laiton sont des **mélanges** solides de cuivre et de zinc.

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acid

[nom]

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

acide

Ex: When dissolved in water, carbonic acid forms from carbon dioxide, contributing to the acidity of rainwater.Lorsqu'il est dissous dans l'eau, l'**acide** carbonique se forme à partir du dioxyde de carbone, contribuant à l'acidité de l'eau de pluie.

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base

[nom]

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

base

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gas

[nom]

the state of a substance that is neither solid nor liquid

gaz

Ex: She felt dizzy after inhaling the toxic gas released from the factory .Elle s'est sentie étourdie après avoir inhalé le **gaz** toxique libéré par l'usine.

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liquid

[nom]

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

liquide

Ex: When the ice melted, it turned back into liquid water, filling the glass to the brim.Lorsque la glace a fondu, elle est redevenue de l'eau **liquide**, remplissant le verre à ras bord.

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solid

[nom]

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

solide

Ex: The solid in the container was difficult to break apart without tools.Le **solide** dans le récipient était difficile à briser sans outils.

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to transition

[verbe]

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