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58 Cards in this Set
- Front
- Back
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2 classifications of matter
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pure substances and mixtures
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2 types of pure substances
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elements and compounds
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type of pure substance composed of only one kind of atom
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elements
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# of naturally occurring elements
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90
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why has it been difficult to study the properties of the highest numbered elements
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the nuclei imediatly breaks down
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2 or more elements combined in a fixed proportion
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compound
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2 or more combined substances that can be separated by physical means
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mixture
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mixtures that are not a definant proportion
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heterogeneous
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mixtures tat are blended in definite proportion
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homogeneous
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2 types of heterogeneous mixtures
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colloids and suspensions
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type of homogeneous mixture
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solution
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define solute
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the smaller particle that is disolved
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define solvent
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the dissolving medium
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what is the universal solvent
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water
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particle size from smallest to biggest
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solution, colloids, suspension
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will sollutions settle
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no
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will colloids settle
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no
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will suspensions setle
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yes
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milk hetero or homo
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hetero
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chocalate chip isecream hetero or homo
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hetero
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water hetero or homo
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homo
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bleach hetero or homo
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ho
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concrete hetero or homo
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hetero
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paint hetero or homo
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hetero
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elements hetero or homo
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homo
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suspensions
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hetero
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compounds hetero or homo
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homo
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colloids hetero or homo
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hetero
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solutions hetero or homo
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homo
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3 ways mixture smight be seperated
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with a magnent, sifting, filter
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the scatering of light by a material
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tyndol effect
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which types of heterogeneous mixtures can exhibit the phenomenon in the tyndol effect
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suspensions and colloids
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do pure substances and solutions exhibit the tyndol effect
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no
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type of property shape is
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physical
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type of property that texture is
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physical
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type of property that solubility is
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physical
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type of property that ductility is
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physical
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type of property that mass is
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physical
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type of property that malleability is
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physical
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type of property that reactivity to light is
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chemical
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type of property that fluidity is
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physical
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type of property tat reactivity to chemicals is
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chemical
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type of property that taste is
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physical
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type of property that color is
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physical
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state of matter is what kind of property
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physical
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flamabiliy is what kind of property
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chemical
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magnetism is what property
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physical
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property which allows materials to be drawn into a wire
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ductility
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property that allows a material to be hammered pounded or pressed into a shape without breaking
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maleability
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sharpening a pencil physical change or chemical
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physical change
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corrosion of a bycicle physical change or chemical
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chemical change
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boiling water physical change or chemical
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physical change
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drwing copper into a wire physical change or chemical
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physical change
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burning a candle physical change or chemical
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chemical
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sublimation of frozen co2 physical change or chemical
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physical
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4 observations that might indicate that a chemical change is goin on
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color change, change in smell, heat being absorbed, formation of bubles
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law of conservation of mass
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the mass of all substance after chemical change is the same as before
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who proposed the law of conservation of mass
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lavoisier
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