grrr i hate tests! Mixture compounds and elements.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| suspension ex. | carbon dioxide, water, ammonia
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| colloid ex. | milk
jello
pudding
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| do the elements in a compound keep their properties? | NO
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| ratio | a # that is like a fraction tht shows how the amount of 1 thing compares to the amount of something is used.
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| how do compound combine? | in set ratios
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| How do i know if it is a comound? | the items in the substance are chemically combined
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| reaction | when 2 or more substances chemically combine some ex. of reaction
explosion
light
heat
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| mixture def | when 2 or more substances are mixed together but are not chemically combined.
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| mixture ex | pizza
kool aid
jello
milk
italian dressing
muddy water
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| do mixture have ratios? | NO
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| Distallation | a process tht seperates based on boiling points
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| magnet | a tool used to seperate mixtures that have iron or magnet metals in them
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| do substances in a mixture keep their properties? | yes you can taste both salt and water in a mixture of salt water
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| centrifuge | a tool that spins test tybes really fast
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| periodic table | the list of every known element
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| compound def. | a pure substance made of 2 or more elements chemically combined
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| what are examples of metalloids? | silicon
boron
antimony
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| is a metalloid a mixture? | no it is an element
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| matalloids def/properties | elements that can be shiny and conduct when mixed with other things.
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| what sre some examples of nonmetals? | oxygen and carbon
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| nonmetal def/properties | an element that is dull brittle and a bad conductor
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| solution ex. | a heterogeneous mixture that has big pieces the pieces either can settle out or can be filtered
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| element def. | a pure substance that cannot be seperated
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| pure substance def. | a substance with only one type of particle
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| pure substance examples | elements and compounds
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| can a pure substance be broken down into simpler substances? | yes compounds it can with only chemical changes though
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| most elements belong to what category? | metals
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| metal def./properties | an element that is shiny malleable and a good conductor of electricity.
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| what are the 3 categories of an element? | metal nonmetal and metalloid
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| characteristic properties ex. | boiling point
melting point
density
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| characteristic properties def. | properties that do not depend on the amount of material
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bigmac23
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