Key Concepts: Pure substances that are made of more than one

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Compounds
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Key Concepts: Pure substances that are made of more than one element are called compounds.
1. Vocabulary Skills: Applying Definitions
On the diagram below, label correctly each of the following:
Chemical Formula
Chemical Equation
Coefficient
Subscript
_______________________
___________________
2H2 + O2
2H2O
_______________________
____________________
2. Elements, Compounds, and Mixtures: Reviewing the Main Ideas
Complete the chart by filling in the correct answers to each question.
Element
Compound
Mixture
What kind
of particles
make it up?
How can it
be broken
down?
Is it the
same
throughout?
Unit 2 Ch. 5 - Elements, Compounds, and Mixtures
Tindoc
10/14/09
3. Writing Formulas: Applying the Main Ideas
The drawings below show molecules of various compounds. Under each
drawing, write the correct formula for that compound.
F
H
Na
Cl
C
H
B
H
F
F
H
1. __________________
2. _________________
3. __________________
Cl
Cl
P
O
H
Be
H
Cl
Cl
O
O
4. __________________
Cl
5. __________________
Unit 2 Ch. 5 - Elements, Compounds, and Mixtures
6. __________________
Tindoc
10/14/09
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