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Basic Sciences - Chemie

Study terms related to chemical composition, compounds, solutions, acids, bases, material properties, and laboratory processes.

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Words Related to Basic Sciences
chemical
chemical
[Podstatné jméno]

a substance or compound produced or used in a process involving chemistry

chemický

chemický

composition
composition
[Podstatné jméno]

the different elements that form something or the arrangement of these elements

složení, kompozice

složení, kompozice

Ex: The composition of water molecules consists of two hydrogen atoms and one oxygen atom, chemically bonded together. 
compound
compound
[Podstatné jméno]

(chemistry) a substance that its molecules consist of two or more elements that are held together by a chemical bond

sloučenina, směs

sloučenina, směs

Ex: Water is a compound made of hydrogen and oxygen atoms. 
organic
organic
[Přídavné jméno]

from or related to living things

organický, biologický

organický, biologický

Ex: Organic chemistry focuses on the study of carbon-containing compounds found in living organisms. 
inorganic
inorganic
[Přídavné jméno]

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

anorganický

anorganický

Ex: Sodium chloride (table salt) is an inorganic compound widely used in cooking and food preservation. 
solvent
solvent
[Podstatné jméno]

a liquid that is capable of dissolving another substance

rozpouštědlo, solvent

rozpouštědlo, solvent

Ex: Ethanol is commonly used as a solvent to dissolve oils and perfume essences for the production of aftershaves and colognes. 
solute
solute
[Podstatné jméno]

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

rozpuštěná látka, solut

rozpuštěná látka, solut

Ex: In saltwater, salt (NaCl) is the solute that dissolves in water, the solvent. 
soluble
soluble
[Přídavné jméno]

(of a substance) able to break up and disperse within a fluid

rozpustný

rozpustný

Ex: Sugar is highly soluble in water, dissolving readily when added to the liquid. 
insoluble
insoluble
[Přídavné jméno]

unable to be dissolved, especially in a liquid

nerozpustný, nerozpustitelný

nerozpustný, nerozpustitelný

Ex: The sugar remained insoluble in the cold water. 
solution
solution
[Podstatné jméno]

a mixture of different liquids

roztok, směs

roztok, směs

Ex: Many cleaning products are solutions that mix different liquids for better effectiveness. 
isotope
isotope
[Podstatné jméno]

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, izotopická forma

izotop, izotopická forma

Ex: Carbon-12 and carbon-14 are isotopes of carbon, with the former having 6 neutrons and the latter having 8 neutrons. 
alloy
alloy
[Podstatné jméno]

a combination of two or more metals, creating a metal that is usually stronger or more resistant

slitina

slitina

Ex: An alloy is a mixture of two or more metals or a metal and another element. 
alcohol
alcohol
[Podstatné jméno]

a compound with a hydroxyl group (-OH) attached to a carbon atom, widely used as solvents, fuels, and in pharmaceutical and chemical synthesis

alkohol, ethanol

alkohol, ethanol

Ex: Ethanol is the alcohol found in alcoholic beverages and is commonly used as a solvent. 
petroleum
petroleum
[Podstatné jméno]

(chemistry) a dark liquid from underground, made of hydrocarbons, used to make fuel and plastic

salt
salt
[Podstatné jméno]

(chemistry) a compound made when the hydrogen in an acid is replaced by a metal or a metal-like group

bronze
bronze
[Podstatné jméno]

a reddish-brown alloy made primarily of copper combined with tin, and often small amounts of zinc, nickel, or other metals, to enhance strength and corrosion resistance

bronz, bronzová slitina

bronz, bronzová slitina

Ex: Engineers selected phosphor bronze for the marine bearings because of its resistance to saltwater erosion. 
steel
steel
[Podstatné jméno]

a type of hard metal that is made of a mixture of iron and carbon, used in construction of buildings, vehicles, etc.

ocel, tvrdý kov

ocel, tvrdý kov

Ex: The skyscraper's framework was constructed with high-quality steel. 
graphite
graphite
[Podstatné jméno]

a soft, black, and highly conductive material made up of carbon atoms that is commonly used in pencils and as a lubricant

grafit, černé olovo

grafit, černé olovo

metal
metal
[Podstatné jméno]

a usually solid and hard substance that heat and electricity can move through, such as gold, iron, etc.

kov

kov

Ex: Iron is a commonly used metal in construction and manufacturing. 
metallic
metallic
[Přídavné jméno]

made of or resembling metal

kovový, metalizovaný

kovový, metalizovaný

Ex: The car's metallic exterior gleamed in the sunlight. 
sulfite
sulfite
[Podstatné jméno]

(chemistry) a salt or ester of sulfurous acid used as a preservative in foods and wines

Ex: Sulfite is commonly added to dried fruit to prevent discoloration. 
pH
pH
[Podstatné jméno]

a quantitive mesasure used for determining how acidic or alkanic something is on a scale of 0 to 14

pH

pH

Ex: Lemon juice has a pH of 2, making it highly acidic. 
alkali
alkali
[Podstatné jméno]

any water-soluble compound that can turn litmus blue and reacts with an acid to form a salt and water

alkálie, zásada

alkálie, zásada

Ex: Sodium hydroxide is a strong alkali commonly used in soap making. 
base
base
[Podstatné jméno]

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

báze

báze

Ex: Sodium hydroxide (NaOH) is a strong base used in soap-making. 
acid
acid
[Podstatné jméno]

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

kyselina, kyselá látka

kyselina, kyselá látka

Ex: The lemon juice contains citric acid, which gives it a sour taste and a pH of around 2. 
acidity
acidity
[Podstatné jméno]

the level of acid in a substance, often measured by a pH below 7

kyselost, úroveň kyselosti

kyselost, úroveň kyselosti

Ex: The soil's acidity was too high for the plants to grow well. 
amphoteric
amphoteric
[Přídavné jméno]

(chemistry) able to act as either an acid or a base depending on the conditions

Ex: Water is amphoteric because it can donate or accept protons in reactions. 
corrosion
corrosion
[Podstatné jméno]

the gradual destruction of materials by chemical reaction, usually of metals

koroze

koroze

Ex: The pipes in the old house were heavily damaged by corrosion, resulting in leaks throughout the plumbing system. 
to distill
to distill
[sloveso]

to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it

destilovat, čistit destilací

destilovat, čistit destilací

Ex: The chemist is currently distilling the solution to isolate the pure compound. 
mole
mole
[Podstatné jméno]

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, látkové množství

mol, látkové množství

Ex: One mole of water contains 6.022 x 10²³ water molecules. 
to precipitate

(chemistry) to become separated from the solvent in a solid form

srážet se

srážet se

Ex: Upon cooling the saturated sugar solution, crystals began to precipitate at the bottom of the container. 
volatile
volatile
[Přídavné jméno]

having a tendency to change rapidly and unpredictably, often characterized by fluctuations or instability

nestálý, nestabilní

nestálý, nestabilní

Ex: The weather in the region can be highly volatile throughout the year. 
buffer
buffer
[Podstatné jméno]

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

pufr, pufrovací roztok

pufr, pufrovací roztok

Ex: The buffer solution in the lab kept the pH steady even after the addition of a strong acid. 
ammonia
ammonia
[Podstatné jméno]

a solution of ammonia gas dissolved in water, commonly called aqueous ammonia

vodný amoniak, roztok amoniaku

vodný amoniak, roztok amoniaku

Ex: The farmer applied ammonia to the soil to provide nitrogen. 
to dissolve
to dissolve
[sloveso]

(of a solid) to become one with a liquid

rozpustit, rozpouštět se

rozpustit, rozpouštět se

Ex: Sugar dissolves quickly in hot tea. 
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