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ACT-Wissenschaft - Chemistry

Hier lernen Sie einige englische Wörter im Zusammenhang mit der Chemie, wie „radioaktiv“, „Pipette“, „Titration“ usw., die Ihnen dabei helfen werden, Ihre ACTs zu meistern.

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ACT Vocabulary for Science
polymer

a large molecule composed of repeating structural units, or monomers, covalently bonded together in a chain-like structure

Polymer

Polymer

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isotope

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

Isotop

Isotop

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reactive

having a tendency to to undergo chemical reactions

reaktiv

reaktiv

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radioactive

containing or relating to a dangerous form of energy produced by nuclear reactions

radioaktiv

radioaktiv

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covalent bond

a chemical bond where atoms share electrons to form a stable molecule

kovalente Bindung

kovalente Bindung

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double bond

a type of chemical bond between two atoms involving the sharing of two pairs of electrons, resulting in a stronger and more stable connection than a single bond

Doppelbindung

Doppelbindung

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hydrophilic

defining substances or surfaces that have a strong attraction to water molecules, allowing them to easily absorb or interact with water

hydrophil

hydrophil

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hydrophobic

characterized by substances or surfaces that repel water molecules, showing little or no affinity for water

hydrophob

hydrophob

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exothermic reaction

a chemical reaction that releases heat energy to its surroundings, typically resulting in a temperature increase

exotherme Reaktion

exotherme Reaktion

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endothermic reaction

a chemical process that absorbs heat energy from its surroundings, often resulting in a temperature decrease

endotherme Reaktion

endotherme Reaktion

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atomic mass

the weighted average mass of an atom of an element, taking into account the masses of all its naturally occurring isotopes

Atommasse

Atommasse

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molecular mass

the total mass of all the atoms in a single molecule of a substance

molekulare Masse

molekulare Masse

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mass number

the total number of protons and neutrons in the nucleus of an atom

Massenzahl

Massenzahl

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mole

a fundamental unit in chemistry that represents the amount of substance containing as many entities (atoms, molecules) as there are in 12 grams of carbon-12

Mol

Mol

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beaker

a container usually made of glass or plastic used in chemistry and laboratory

Becher

Becher

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pipette

a laboratory tool used to measure and transfer small volumes of liquid

Pipette

Pipette

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centrifuge

a device that spins samples to separate components based on density

Zentrifuge

Zentrifuge

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indicator paper

a special paper treated with chemicals that change color in response to certain conditions, used to test for the presence of specific substances or measure pH levels

Indikatorpapier

Indikatorpapier

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periodic table

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

periodische Tabelle

periodische Tabelle

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to dissolve

(of a solid) to become one with a liquid

auflösen

auflösen

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solubilization

the process of dispersing or dissolving a substance into a solvent to form a homogeneous solution

Solubilisierung

Solubilisierung

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microstructure

the arrangement, composition, and characteristics of a material at a microscopic level

Mikrostruktur

Mikrostruktur

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crystalline

denoting substances with a highly organized molecular structure, akin to crystals

kristallin

kristallin

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concentration

the measure of how much of a substance is present in a certain volume of solution

Konzentration

Konzentration

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microprobe

a device used to analyze the chemical composition of small samples at a microscopic scale

Mikrosonde

Mikrosonde

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superabsorbent

a substance capable of absorbing and retaining a large amount of liquid relative to its own mass

Superabsorbens

Superabsorbens

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multicomponent alloy

a type of metallic material composed of three or more elements mixed together in varying proportions

Multikomponentenlegierung

Multikomponentenlegierung

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nanotube

a tiny, tube-shaped structure made of carbon atoms, with remarkable strength and electrical properties

Nanotube

Nanotube

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molten

heated to a liquid state due to high temperatures

geschmolzen

geschmolzen

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radical

a group of atoms bonded together that behaves as a single unit within a molecule

Radikal

Radikal

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phase

a phase is a distinct form of matter with uniform chemical and physical properties, separated from other forms by boundaries

Phase

Phase

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calcification

the process where calcium or calcium salts accumulate in a tissue, making it hard and rigid

Verkalkung

Verkalkung

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fermentation

the process by which microorganisms convert carbohydrates into alcohol, acids, or gases

Fermentation

Fermentation

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to detoxify

to eliminate or neutralize harmful substances

entgiften

entgiften

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to assay

to analyze or test a substance, typically in a laboratory setting, to determine its components or qualities

analysieren

analysieren

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crystallographer

a scientist who studies the structure and properties of crystals

Kristallograph

Kristallograph

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cosmochemist

a scientist who studies the chemical composition and processes of celestial bodies to understand the formation and evolution of the universe

Kosmochemiker

Kosmochemiker

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chromatography

a laboratory technique used to separate and analyze mixtures of substances based on their differential affinities for a stationary phase and a mobile phase

Chromatographie

Chromatographie

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beta decay

a type of radioactive decay where a nucleus emits a beta particle (electron or positron) to transform a neutron into a proton or vice versa

Beta-Zerfall

Beta-Zerfall

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uncharged

not having an electrical charge

nicht geladen

nicht geladen

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titration

a laboratory method used to determine the concentration of a substance in a solution by gradually adding a reagent of known concentration until a reaction is completed

Titration

Titration

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equilibrium

a state in a chemical reaction where the forward and reverse reactions occur at the same rate, resulting in no net change in the concentrations of reactants and products

dynamisches Gleichgewicht

dynamisches Gleichgewicht

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condenser

a device that turns vapor into liquid by cooling it

Kondensator

Kondensator

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van der waal's forces

weak attractive forces between molecules or atoms, arising from temporary or induced dipoles

Van-der-Waals-Kräfte

Van-der-Waals-Kräfte

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metallurgist

a scientist or engineer who specializes in the study and production of metals and alloys, including their properties, processing methods, and applications

Metallurge

Metallurge

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adsorption

the process by which molecules of a substance adhere to the surface of a solid or liquid, forming a thin film or layer

Adsorption

Adsorption

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biodiesel

a renewable, alternative fuel made from organic materials such as vegetable oils, animal fats, or recycled cooking grease

Biodiesel

Biodiesel

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electrolysis

(chemistry) the process of separating a liquid or solution into its parts by passing electricity through it

Elektrolyse

Elektrolyse

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to suspend

to disperse fine particles throughout a fluid so they remain evenly distributed without settling

suspendieren

suspendieren

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eutectic

a specific composition of a mixture of substances, typically metals or alloys, where the melting point is at its lowest possible temperature under atmospheric pressure

Eutektikum

Eutektikum

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to dilute

to make a solution or mixture weaker or less concentrated by adding more liquid

verdünnen

verdünnen

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