Term
| What three things indicate that a reaction has taken place? |
|
Definition
a. Change in color.
b. Change in temperature.
c. Gas is produced. |
|
|
Term
| How do you determine the oxidation number of an atom? |
|
Definition
| How do you determine the oxidation number of an atom?Number of electrons that can be gained or lost. |
|
|
Term
| List the prefixes that are used with elements combined with carbon. |
|
Definition
a. Mono= 1
b. Di= 2
c. Tri= 3
d. Tetra= 4
e. Penta= 5
f. Hexa= 6 |
|
|
Term
| What does a combination reaction produce? |
|
Definition
|
|
Term
| What type of reaction makes a car run? |
|
Definition
|
|
Term
| What type of reaction is used by oil refineries? |
|
Definition
|
|
Term
| Where does a double-displacement (replacement) reaction usually occur? |
|
Definition
|
|
Term
| What are the numbers called that are in front of a chemical formula in an equation? |
|
Definition
|
|
Term
| What are the formulas in a chemical equation called that show atoms before a reaction has taken place? |
|
Definition
|
|
Term
| What do we commonly call iron oxide? |
|
Definition
|
|