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vocab2
vocabulary terms
Question | Answer |
---|---|
What is a pure substance? | matter that always has the same composition. |
What is a element? | a substance that can not be broken down into a simpler substance. |
What is a atom? | the smallest particle of an element. |
What is a compound? | a substance that is made from two or more simpler subtances. |
What is a Heterogeneous mixture? | a mixture where it is easy to distinguish the particles in a mixture. |
What is a Homogeneous mixture? | a mixture where it is hard to distinguish the partcles in a mixture. |
What is a solution? | When substances dissolve and form a homogeneous mixture. |
What is a suspension? | heterogenous mixture that seperates into layers. |
What is a colloid? | A mixture that contains particles that are intermediate in size. |
What is a physical property? | any charateristics that can be observed or seen. Doesnt change the chemical makeup. |
What is viscosity? | The tendency of an object to keep from flowing. |
What is conductivity? | the abilty of a material to allow electricty and heat to flow through. |
What is mallaebilty? | the ability of a solid to be hammered. |
What is melting point? | the temp a solid becomes liquid. |
What is boiling point? | The temp a liquid becomes a gas. |
What is filtration? | seperating materials based on the size of particles. |