Shared Flashcard Set

Details

Chapter 1.3 - The Classification of Matter
Principles of Chemistry - A Molecular Approach, 2nd Edition by Nivaldo J. Tro
15
Chemistry
Undergraduate 1
09/29/2012

Additional Chemistry Flashcards

 


 

Cards

Term
What is matter?
Definition

o   anything that occupies space and has mass

Term
What is a substance?
Definition

o   a specific instance of matter

Term
What is solid matter?
Definition

o   atoms/molecules are packed close in fixed locations

Term
What does it mean to be crystalline?
Definition

o   atoms/molecules are arranged in patterns with long-range order

Term
What is liquid matter?
Definition

o   atoms/molecules are packed as closely as solid matter, but are free to move relative to each other

Term
What is gaseous matter?
Definition

o   atoms/molecules have a lot space between them and are free to move relative to each other

Term
What is composition?
Definition

kinds and amounts of substances that compose the matter

Term
What is a pure substance?
Definition

o   the composition never varies, composed of only one type of atom or molecule

Term
What is a mixture?
Definition

a substance composed of two or more atoms and molecules

Term
What is an element?
Definition

o   a substance that cannot be broken down into simpler substances

Term
What is a compound?
Definition

o   a substance composed of two or more elements in fixed definite proportions

Term
What is a heterogenous mixture?
Definition

composition varies from one region to another

Term

What are two examples of crystalline solids?

 

Definition

 table salt and diamonds

Term
What are two examples of amorphous solids?
Definition
glass and plastic
Term
liquids have a __volume but not a ___ shape
Definition
fixed
Supporting users have an ad free experience!