Mixtures and pure substances

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mieszanina
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mixture
Mixture is when we mix two or more different substances together
wlać
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pour
If we pour some sand into a glass of water, there is a mixture in the glass
wymieszać łyżką
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stir with a spoon
When we stir mixture saugar and water with a spoon, the sugar will dissolve
rozpuszczać się
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dissolve
The sugar will dissolve in water when we stir glass of water and sugar with a spoon
jednolity
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uniform
The sugar-water mixture is uniform
jednorodny
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homogeneous
The sugar-water mixture is homogeneous mixture
niejednorodny
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heterogeneous
The sand-water mixture is heterogeneous mixture
wodny płyn
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aqueous liquid
rozpuszczalny
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soluble
nierozpuszczalny
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insoluble
zawieszony
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suspended
substancje stałe
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solid substances
składa się z, składa się z
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made up of, consist of
czysta substancja
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pure substance
stały, niezmienny
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fixed
A pure substance is one that has a fixed and definite composition
zależeć od
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depend on
skład, kompozycja
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composition
rozkładają się na
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decompose into
zwązek chemiczny
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compound
A pure substance can be decomposed into compound
rozpadają się na części
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break down into parts
A pure substance that cannot be broken down into simpler substances is called an element
pierwiastek chemiczny
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element
Układ okresowy
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Periodic Table/ Periodic Chart
skracać
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abbreviate
Each element has its own symbol that chemists use to abbreviate them
odpowiadać
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correspond
The symbol for each element does not necessarily correspond with the name of the element
pochodzą od
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derived from
Many elements derived their names originally from either Latin and Greek
ułożyć zgodnie z
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arrange according to
The elements are arranged according to an increasing atomic number
towarzyszyć przez
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accompany by
Each symbol is accompanied by two numbers
liczba atomowa
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atomic number
An atomic number is the number of protons in the nucleus of an atom
masa atomowa
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atomic weight/ mass
An atomic weight is a ratio between the mass of one atom of an element and one twelfth of an atom of carbon
reprezentowane przez
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represented by
The element iron is represented by the symbol Fe
poziomo
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horizontally
The elements are arranged horizontally in rows
pionowo
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vertically
The elements are arranged vertically in columns
wzory chemiczne
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chemical formulae
Crea delle schede
English

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