Term
|
Definition
Changes in which the identity of a substance doesn't change. |
|
|
Term
|
Definition
The identities of substances change and new substances form. |
|
|
Term
When converting one measurement to another in the SI system, set the larger unit equal to this. |
|
Definition
|
|
Term
Density is a (chemical/physical) characteristic of a substance. |
|
Definition
|
|
Term
The formula for density is: |
|
Definition
D = m/V
or Density equals mass divided by volume. |
|
|
Term
All matter is composed of approximately 110 different kinds of this. |
|
Definition
|
|
Term
Pure substances are of these two types: |
|
Definition
|
|
Term
Consists of two or more atoms combined in a definite or fixed ratio. |
|
Definition
|
|
Term
Pure substances that are not elements are: |
|
Definition
|
|
Term
A sample of matter that contains two or more substances. |
|
Definition
|
|
Term
In this type of mixture, pure substances are uniformly distributed throughout. |
|
Definition
|
|
Term
This type of mixture contains substances that are not evenly mixed. |
|
Definition
|
|
Term
Separation of sand from water uses this technique. |
|
Definition
|
|
Term
This type of separation of mixtures involves differences in boiling point. |
|
Definition
Evaporation or Distillation |
|
|