Sciences ACT - Substances et composés chimiques
Ici, vous apprendrez quelques mots anglais liés aux substances et composés chimiques, comme « tampon », « soluté », « halogène », etc. qui vous aideront à réussir vos ACT.
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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
halogène
a durable plastic material used for packaging, bags, and various applications
polyéthylène
a lightweight and versatile synthetic polymer used in packaging, insulation, and disposable products
polystyrène
a chemical element that is a vital component of DNA and bone structure, found in dairy products, meat, and nuts, playing a key role in cellular energy transfer
phosphore
a colorless, volatile liquid solvent commonly used for removing nail polish and other substances from surfaces
acéton
a naturally occurring polysaccharide derived from brown seaweed, commonly used in various industries for its thickening, gelling, and stabilizing properties
alginate
a compound containing silicon and oxygen atoms, often forming minerals or glasses, with diverse applications in industry and nature
silicate
a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, known for its exceptional strength, electrical conductivity, and flexibility
graphène
a naturally occurring organic compound found in many fruits that contributes to their sour taste
acide malique
a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes, commonly used as a food additive for flavoring and preserving
acide citrique
a chemical compound that contains phosphorus and oxygen atoms, commonly found in salts or esters of phosphoric acid, important for biological processes and industrial applications
phosphate
a type of elementary particle that is one of the six types, or flavors, of quarks that has an electric charge of +2/3 and participates in strong and electromagnetic interactions
quark charme
something that has specific chemicals or causes a chemical reaction that destroys harmful microorganisms such as bacteria
désinfectant
a chemical compound important for regulating pH balance, found in baking soda and crucial for bodily functions
bicarbonate
a substance that is dissolved in a solvent, resulting in a solution
soluté
having absorbed as much of a substance as possible at a given temperature, reaching its maximum concentration
saturé
(of a solution) containing volatile or highly flammable substances, such as diethyl ether
éthéré
describing chemical compounds that do not contain carbon-hydrogen bonds and are typically derived from minerals or non-living matter
inorganique
refering to substances that have a pH greater than 7, indicating a basic or non-acidic nature
alcalin
a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products
réactif
(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
catalyseur
a solution containing a weak acid and its conjugate base, or a weak base and its conjugate acid, which maintains a stable pH when small amounts of acid or base are added
tampon
a substance or compound used in a chemical reaction to detect, examine, or produce other substances
réactif
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
gaz noble
a group of non-reactive gases that typically exhibit low chemical reactivity due to their stable electron configurations
gaz inerte