ACT 科学 - 化学物质和化合物

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

a durable plastic material used for packaging, bags, and various applications

聚乙烯

a lightweight and versatile synthetic polymer used in packaging, insulation, and disposable products

聚苯乙烯

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

磷

a colorless, volatile liquid solvent commonly used for removing nail polish and other substances from surfaces

丙酮, 丙酮

a naturally occurring polysaccharide derived from brown seaweed, commonly used in various industries for its thickening, gelling, and stabilizing properties

海藻酸盐

a compound containing silicon and oxygen atoms, often forming minerals or glasses, with diverse applications in industry and nature

硅酸盐

a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, known for its exceptional strength, electrical conductivity, and flexibility

石墨烯

a naturally occurring organic compound found in many fruits that contributes to their sour taste

苹果酸

a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes, commonly used as a food additive for flavoring and preserving

柠檬酸

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

磷酸盐

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

魅夸克, 魅力夸克

something that has specific chemicals or causes a chemical reaction that destroys harmful microorganisms such as bacteria

消毒剂, 灭菌剂

a chemical compound important for regulating pH balance, found in baking soda and crucial for bodily functions

碳酸氢盐, 碳酸氢钠

a substance that is dissolved in a solvent, resulting in a solution

溶质

having absorbed as much of a substance as possible at a given temperature, reaching its maximum concentration

饱和的, 充满的

(of a solution) containing volatile or highly flammable substances, such as diethyl ether

醚的, 挥发性的

describing chemical compounds that do not contain carbon-hydrogen bonds and are typically derived from minerals or non-living matter

无机

a liquid that is capable of dissolving another substance

溶剂

refering to substances that have a pH greater than 7, indicating a basic or non-acidic nature

碱性的, 碱性

containing or relating to salt

盐的, 含盐的

a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products

反应物, 反应剂

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

催化剂, 化学催化剂

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

缓冲液, 缓冲溶液

a substance or compound used in a chemical reaction to detect, examine, or produce other substances

试剂, 反应物

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, 贵气体

a group of non-reactive gases that typically exhibit low chemical reactivity due to their stable electron configurations

惰性气体, 稀有气体