click below
click below
Normal Size Small Size show me how
Introduction to I.S.
Owens-PNHS-intro to I.S.H vocab
Question | Answer |
---|---|
What is a pure substance? | A pure substance is matter that has exactly the same composition. |
What is an element? | An element is a substance that cannot be broken down into smaller substances. An element has a fixed composition. |
What is and atom? | Atoms are the smallest particles of elements. |
What makes up a compound? | Compounds are made up of two or more simple substances. Water is made of hydrogen and oxygen so it is a compound. |
What is a heterogeneous mixture? | A heterogeneous mixture has parts that are noticeably different from each other. |
What is a homogeneous mixture? | A homogeneous mixture has particles that are evenly distributed and are hard to tell apart. |
What is a solution? | A solution is created when a substance dissolves and forms a homogeneous mixture |
What is a suspension? | A suspension is a heterogeneous mixture that eventually separates into layers. |
What is a colloid? | A colloid contains particle that are and intermediate in size. It doesn't separate into layers. |