Listă de Cuvinte Nivel C2 - Chimie
Aici veți învăța toate cuvintele esențiale pentru a vorbi despre Chimie, colectate special pentru cursanții de nivelul C2.
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a thermodynamic measure of the degree of disorder or randomness in a system, denoted by S
![entropie](https://api.langeek.co/v1/assets/flags/ro.png)
entropie
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a substance that is dissolved in a solvent, resulting in a solution
![solut](https://api.langeek.co/v1/assets/flags/ro.png)
solut
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a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products
![reactant](https://api.langeek.co/v1/assets/flags/ro.png)
reactant
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(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
![catalizator](https://api.langeek.co/v1/assets/flags/ro.png)
catalizator
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the acceleration or facilitation of a chemical reaction by a substance (catalyst) that remains unchanged at the end of the reaction
![creșterea vitezei unei reacții chimice datorită catalizatorului](https://api.langeek.co/v1/assets/flags/ro.png)
creșterea vitezei unei reacții chimice datorită catalizatorului
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a chemical bond where atoms share electrons to form a stable molecule
![legătură covalentă](https://api.langeek.co/v1/assets/flags/ro.png)
legătură covalentă
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any of two or more compounds having the same molecular formula but different arrangements of atoms and, consequently, different properties
![izomer](https://api.langeek.co/v1/assets/flags/ro.png)
izomer
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a large molecule composed of repeating structural units, or monomers, covalently bonded together in a chain-like structure
![polimer](https://api.langeek.co/v1/assets/flags/ro.png)
polimer
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a molecule that can chemically bond with other molecules to form a polymer
![monomer](https://api.langeek.co/v1/assets/flags/ro.png)
monomer
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a compound composed of hydrogen and carbon atoms, with the simplest form being alkanes, alkenes, or alkynes
![hidrocarbură](https://api.langeek.co/v1/assets/flags/ro.png)
hidrocarbură
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a chemical compound derived from the reaction between an alcohol and an organic acid, typically with the elimination of water
![ester (chimie)](https://api.langeek.co/v1/assets/flags/ro.png)
ester (chimie)
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an organic compound with a carbonyl group (C=O) bonded to a hydrogen atom and another carbon atom, commonly found in essential oils and used in various chemical processes
![aldehidă](https://api.langeek.co/v1/assets/flags/ro.png)
aldehidă
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a compound with a hydroxyl group (-OH) attached to a carbon atom, widely used as solvents, fuels, and in pharmaceutical and chemical synthesis
![alcool (chimie)](https://api.langeek.co/v1/assets/flags/ro.png)
alcool (chimie)
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an organic compound with a carbonyl group (C=O) bonded to two carbon atoms, commonly found in solvents, pharmaceuticals, and flavorings
![cetonă](https://api.langeek.co/v1/assets/flags/ro.png)
cetonă
![Google Translate](/assets/icons/google_translate.png)
a chemical reaction where electrons are transferred between substances
![reducerea de oxidare](https://api.langeek.co/v1/assets/flags/ro.png)
reducerea de oxidare
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the concentration of a solute in a solution, measured in moles per liter (mol/L or M)
![concentrația molară](https://api.langeek.co/v1/assets/flags/ro.png)
concentrația molară
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a substance that, when dissolved in a solution, produces ions and enables the conduction of electric current
![electrolit](https://api.langeek.co/v1/assets/flags/ro.png)
electrolit
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a mixture where small particles of one substance are evenly dispersed in another substance, typically intermediate in size between solution and suspension particles
![coloid](https://api.langeek.co/v1/assets/flags/ro.png)
coloid
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the gradual destruction of materials by chemical reaction, usually of metals
![coroziune](https://api.langeek.co/v1/assets/flags/ro.png)
coroziune
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any substance with a pH of more than seven that neutralizes acids creating salt and water
![bază](https://api.langeek.co/v1/assets/flags/ro.png)
bază
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a gas with a strong smell that dissolves in water to give a strongly alkaline solution
![amoniac](https://api.langeek.co/v1/assets/flags/ro.png)
amoniac
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a combination of two or more metals, creating a metal that is usually stronger or more resistant
![aliaj](https://api.langeek.co/v1/assets/flags/ro.png)
aliaj
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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
![halogen](https://api.langeek.co/v1/assets/flags/ro.png)
halogen
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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
![izotop](https://api.langeek.co/v1/assets/flags/ro.png)
izotop
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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 nobil](https://api.langeek.co/v1/assets/flags/ro.png)
gaz nobil
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a mixture of two liquids where tiny droplets of one are evenly dispersed in the other, like oil in water
![emulsie](https://api.langeek.co/v1/assets/flags/ro.png)
emulsie
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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
![timpul de înjumătățire (proces chimic)](https://api.langeek.co/v1/assets/flags/ro.png)
timpul de înjumătățire (proces chimic)
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a type of uranium that has most of its more radioactive isotopes removed, primarily used for armor-piercing ammunition and shielding
![uraniu sărăcit](https://api.langeek.co/v1/assets/flags/ro.png)
uraniu sărăcit
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a liquid that is capable of dissolving another substance
![solvent (chimie)](https://api.langeek.co/v1/assets/flags/ro.png)
solvent (chimie)
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