A chemical reaction in which a compound is broken down (decomposed) into simpler substances.
A substance that cannot be broken down into simpler substances is
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Transcript of A substance that cannot be broken down into simpler substances is
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A substance that cannot be A substance that cannot be broken down into simpler broken down into simpler
substances is substances is
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An elementAn element
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The science of matter and The science of matter and how it changeshow it changes
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ChemistryChemistry
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The smallest unit of a The smallest unit of a substance that behaves like substance that behaves like
the substance is the substance is
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An atomAn atom
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Which of the following is a Which of the following is a gas-liquid mixture?gas-liquid mixture?
The air we breatheThe air we breatheA carbonated drinkA carbonated drink
SoapsudsSoapsudsIce cubesIce cubes
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Carbonated DrinkCarbonated Drink
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A material that can be A material that can be represented by a chemical represented by a chemical
formula is aformula is a
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Pure substancePure substance
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You put 1 gram of salt into 1 You put 1 gram of salt into 1 liter of water and stir. The liter of water and stir. The
resulting liquid is an example resulting liquid is an example ofof
A pure substanceA pure substanceHeterogeneous mixtureHeterogeneous mixtureA homogeneous mixtureA homogeneous mixtureAn immiscible mixtureAn immiscible mixture
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A homogeneous mixtureA homogeneous mixture
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Smoke is an example of aSmoke is an example of aSubstanceSubstance
SolutionSolutionColloidColloid
SuspensionSuspension
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ColloidColloid
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Another name for a liquid Another name for a liquid homogeneous mixturehomogeneous mixture
SuspensionSuspensionSubstanceSubstance
SolutionSolutionLiquidLiquid
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SolutionSolution
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Matter is defined as anything Matter is defined as anything that that
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Has mass and takes up spaceHas mass and takes up space
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A heterogeneous mixture A heterogeneous mixture containing a liquid in which containing a liquid in which
visible particles settle is visible particles settle is called a?called a?
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SuspensionSuspension
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A mixture that contains two or A mixture that contains two or more substances blended more substances blended
evenly throughout is called a ?evenly throughout is called a ?
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Homogeneous MixtureHomogeneous Mixture
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A substance in which all atoms A substance in which all atoms are alike is called?are alike is called?
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An elementAn element
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The scattering of light by The scattering of light by colloidal particles is called the?colloidal particles is called the?
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Tyndall EffectTyndall Effect
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WaterWater
element element compoundcompound
mixturemixture
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compoundcompound
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SulfurSulfur
element element compoundcompound
mixturemixture
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elementelement
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PepperPepper
element element compoundcompound
mixturemixture
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MixtureMixture
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VinegarVinegar
homogeneoushomogeneousheterogeneousheterogeneous
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homogeneoushomogeneous
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Italian Salad DressingItalian Salad Dressing
homogeneoushomogeneousheterogeneousheterogeneous
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heterogeneousheterogeneous
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TeaTea
suspensionsuspensioncolloidcolloid
solutionsolution
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solutionsolution
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Orange juice with pulpOrange juice with pulp
suspensionsuspensioncolloidcolloid
solutionsolution
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suspensionsuspension
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FogFog
suspensionsuspensioncolloidcolloid
solutionsolution
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colloidcolloid
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A molecule of water (H2O) is made from _____ combining two hydrogen atoms and one oxygen atom.a. physicallyb. ionicallyc. thermallyd. chemically
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chemically
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The chemical formula for water, H2O, means that each water molecule contains
a.two hydrogen atoms and two oxygen atoms.b.two hydrogen atoms and one oxygen atom.c.two hydrogen atoms and zero oxygen atoms.d.one hydrogen atom and two oxygen atoms.
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two hydrogen atoms and one oxygen atom.
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Which of the following is not a pure substance?a. elementb. moleculec. compoundd. mixture
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mixture
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Which of the following is an element?a. saltb. ironc. nylond. sand
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iron
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The different substances in a mixturea. keep their properties.b. combine chemically.c. form new molecules.d. cannot be separated.
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keep their properties.
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A heterogeneous mixture with particles that NEVER settle?a. solutionb. suspensionc. colloidd. compound
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colloid
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Which tool is best for separating a mixture of sand and water?a. tweezersb. magnetc. centrifuge d. filter
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filter
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Any material made of two or more substances that can be physically separated?a. elementb. mixturec. compound d. molecule
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mixture
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Unlike a mixture, a pure substance hasa. atomsb. moleculesc. a specific size.d. a fixed composition.
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a fixed composition.
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The resistance of a fluid to flow is referred to asa. pressure.b. energy.c. viscosity. d. shape.
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viscosity.
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Matter includes all of the following EXCEPTa. air.b. light.c. smoke.d. water vapor.
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light
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A(n) _________________ is NOT homogeneous.a. suspensionb. elementc. compound d. solution
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suspension
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