Chem - Physical & Chemical Changes, MIxtures (Applied)
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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| Matter is made up of tiny particles called...? | Atoms
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| The same type of atoms is called what? | Elements
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| What is a physical change? | A change in matter that changes form or state of matter
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| What is a chemical change? | A change that produces a new product
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| What is a physical property? | A description of appearance or measurement
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| What is a chemical property? | Describes what is happening during a chemical reaction
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| When 2 solutions are mixed, a cloudy, powdered solid is formed. What is the term of this solid? | Precipitate
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| Solid, liquids, gases are known as what physical properties? | State of Matter
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| What is the physical property that describes if an object is transparent or opague? | Clarity
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| What is the physical property that describes if an object is shiny or dull? | Lustre
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| What is the physical property that describes if an object is rough or smooth? | Texture
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| How would you define hardness? | The resistance of a material to be scratched or bent.
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| What is malleability? | The ability of a metal to be hammered into sheets.
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| What is ductility? | The ability of a metal to be drawn into wires.
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| What is solubility? | The amount of a substance that can dissolve in another substance (mainly water)
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| What is viscosity? | The thickness of a liquid.
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| What is the definition of a mixture? | Mixing different substances together without creating a new substance.
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| What is the difference between a homogeneous mixture & a heterogeneous mixture? | A solution (homogeneous) mixture is when one substance dissolves in another substance. A heterogeneous is when the substances do not dissolve in each other.
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| What is a pure substance? | A substance made up of the same type of particles.
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| What are the two types of pure substances? | Elements and compounds
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| What are the 7 diatomic elements? | H2, N2, O2, F2, Cl2, Br2, I2
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