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Changes & Mixtures
Chem - Physical & Chemical Changes, MIxtures (Applied)
Question | Answer |
---|---|
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 |