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Changes & Mixtures

Chem - Physical & Chemical Changes, MIxtures (Applied)

QuestionAnswer
Matter is made up of tiny particles called...? Atoms
The same type of atoms is called what? Elements
What is a physical change? A change in matter that changes form or state of matter
What is a chemical change? A change that produces a new product
What is a physical property? A description of appearance or measurement
What is a chemical property? Describes what is happening during a chemical reaction
When 2 solutions are mixed, a cloudy, powdered solid is formed. What is the term of this solid? Precipitate
Solid, liquids, gases are known as what physical properties? State of Matter
What is the physical property that describes if an object is transparent or opague? Clarity
What is the physical property that describes if an object is shiny or dull? Lustre
What is the physical property that describes if an object is rough or smooth? Texture
How would you define hardness? The resistance of a material to be scratched or bent.
What is malleability? The ability of a metal to be hammered into sheets.
What is ductility? The ability of a metal to be drawn into wires.
What is solubility? The amount of a substance that can dissolve in another substance (mainly water)
What is viscosity? The thickness of a liquid.
What is the definition of a mixture? Mixing different substances together without creating a new substance.
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.
What is a pure substance? A substance made up of the same type of particles.
What are the two types of pure substances? Elements and compounds
What are the 7 diatomic elements? H2, N2, O2, F2, Cl2, Br2, I2
Created by: syoung324
 

 



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