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Chem 101: Chapter 2
Components of Matter
7
Chemistry
Undergraduate 1
10/01/2009

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Term

1) Define: Element

2) What are the two forms they apear in?

Definition

1) one kind of atom; simplest type of matter with unique physical and chemical characteristics

2) individual atoms (H) and molecules (O2)

Term

Define: compound

 

Definition
a substance composed of two or more elements which are chemically combined
Term
Define: mixture
Definition
a group of 2 or more elements/compounds that are physically intermingled
Term
Define: substance
Definition

matter whose composition is fixed

(ex. element)

Term

bonds occur...

a) between like elements

b) between different elements

c) all of the above

Definition
b) between different elements
Term
are all compounds molecules?
Definition
YES!!!
Term
Explain Dalton's Atomic Theory.
Definition
unique mass of properties for all atoms of a given element
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