Science: Atoms, Elements, solutions and mixtures

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Defenition of an element
A pure substance that is listed on the periodic table and only has one type of atom in it.
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Difference between properties of metals and non metals
metals are shiny, non-metals are dull, metals are good conducters of heat, non-metals are not, metals are malleable, non-metals are brittle
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Defenition of a compound
A pure substance made from more than one type of element chemically bonded together.
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Defentition of a mixture
An impure substance made from different elements or compounds.
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Defenition of a molecule
A cluster of atoms that are chemicaly bonded together
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what is a solvent?
the liquid in which a solute dissolves
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what is a solute?
the substance which dissolves into a liquid to form a solution
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what is a solution?
a mixture formed when a sloute has dissolved a solvent
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what does soluble mean?
describes a substance which dissolves
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what does insoluble mean?
discribes a substance which will not dissolve
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What does saturated mean?
containing the largest possible amount of a particular solute
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what does unsaturatred mean?
not containg the greatest possible amount of a particular solute
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what is filtration?
method for seperating an insoluble solid from a liquid
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What is evaporation for?
to seperate a soluble solid from a liquid
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What is distilation?
method to seperate a solvent from a solution
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what is chromatography?
seperationg dissolved substances from one another
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what is magnetic attraction?
the seperation of magnetic materials from non magnetic materials
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what is decanting?
a process of seperation allowing a mixture of solid and liqud to seperate by gravity
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What is centrifuging?
an apparatus which rotates at a high speed seperating substances of different densities
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what does a seperating funnel do?
it takes immiscible liquids and let one flow out so that they are seperated
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what does immiscible mean?
it means they do not dissolve in each other
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Other cards in this set

Card 2

Front

Difference between properties of metals and non metals

Back

metals are shiny, non-metals are dull, metals are good conducters of heat, non-metals are not, metals are malleable, non-metals are brittle

Card 3

Front

Defenition of a compound

Back

Preview of the front of card 3

Card 4

Front

Defentition of a mixture

Back

Preview of the front of card 4

Card 5

Front

Defenition of a molecule

Back

Preview of the front of card 5
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