Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
Molecules
|
Smallest particle of a compound.
|
|
Solution
|
"best mixed" of all mixtures
|
|
Mixture
|
Two or more substances mixed together but not chemically combined.
|
|
Solution
|
A type of homogeneous mixture formed when one substance dissolves in another.
|
|
Homogeneous Mixture
|
"well mixed" mixture.
|
|
Characteristics of a Homogeneous Mixture
|
Appears to be the same throughout. Particles are very small, particles not easily recognized
|
|
Heterogeneous Mixture
|
"Least mixed" mixture
|
|
Characteristics of a Heterogeneous Mixture
|
Particles can be seen. Particles can be seperated easily.
|
|
Compound
|
Two or more elements chemically combined to form a new substance.
|
|
Characteristics of a Solution
|
Particles are not large enough to be seen. Cannot be easily seperated. Particles are evenly spread out. Appear clear and transparent.
|
|
Two examples of indicators.
|
Litmus Paper
Red Cabbage Juice |
|
Chemical Formula
|
Combination of chemical symbols. A shorthand way or representing chemical substances.
|
|
Subscript
|
A number placed to the lower right of a chemical symbol the gives the number of atoms of an element in the compound.
|
|
Chemical Equation
|
A description of a chemical reaction using symbols and formulas.
|
|
Coefficient
|
The number in front of a chemical symbol.
|
|
Indicator
|
A substance that changes color when it is mixed with an acid or a base.
|
|
Characteristics of an Acid
|
1. Contains hydrogen.
2. Has a sour tasted. |
|
Characteristics of a Base
|
1. Contains oxygen and hydrogen.
2. Taste bitter. 3. Feels slippery. |
|
Solute
|
The substance that is dissolved in a solution.
|
|
Solvent
|
The substance that does the dissolving in a solution.
|
|
Characteristics of a Mixture
|
1.Substances keep their own properties
2. No new substance is formed 3. Normally substances can be seperated by physical means. 4. Substances in the mixture can be present in any amount. |