Atoms, Compounds, Mixtures Flashcards

1
Q

atom

A

smallest part of an element

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2
Q

element

A

substance of only one type of atom

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3
Q

groups

A

elements with similar chemical properties

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4
Q

compounds

A

different chemically bonded atoms

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5
Q

law of conservation of mass

A

mass of reactants = mass of products

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6
Q

filtration

A

separation of an insoluble substance from other soluble substances in a solvent

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6
Q

mixture

A

2 or more substances

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7
Q

crystallisation

A

evaporation water from a NaCl solution

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8
Q

chromatography

A

distance travelled up paper determined by relative solubility of mixture in solvent

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9
Q

distillation

A

collection of a solvent via evaporation and condensing

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10
Q

fractional distillation

A

separation of miscible liquids with similar boiling points via temperature gradient

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