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Intro To ES

Lee-pnhs-intro to I.S.H vocab

Vocabulary Definitions
What is a pure substance? Give an example. a pure substance is matter that always has exactly the same composition ex. an element or compound
What is an element? Give an example. an element is a substance that cannot be broken into simpler substances ex. hydrogen, helium
What is an atom? Give an example. an atom is the smallest particle of an element ex.
What is a compound? Give an example. a compoud is a substance that is made from two or more simpler substances and can be broken down into those simpler substances ex. steel, salad
what is a heterogeneous mixture? Give an example. a type of mixture in which the parts of the mixture are noticeably different from one another ex. salad, trail mix
What is a homogeneous mixture? Give an example. a type of mixture in which the substances are so evenly distributed that it is difficult to distinguish one substance from another ex. steel
What is a solution? Give an example. a solution is a mixture that forms when substances dissolve and form a homogeneous mixture ex. salt water, sugar water
What is a suspension? Give an example. a suspenstion is a heterogeneous mixture that separates into layers over time ex.
What is a colloid? Give an example. a colloid is a mixture that contains some particle that are intermediate in size between the small particles in a solution and the larger particles ex.
Created by: Abbi Lee