Reading...
Play button
Play button
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;
14 Cards in this Set
- Front
- Back
|
element
|
a pure substance that cannot be separated or broken down into simpler substances by physical or chemical means
|
|
|
pure substance
|
A substance is which where is only one type of particle: includes elements and compounds
|
|
|
metals
|
Elements that are shiny and are good conductors of thermal energy and electric current. They are malleable and ductile.
|
|
|
nonmetals
|
Elements that are dull and are poor conductors of thermal energy and electric current
|
|
|
metalloids
|
Elements that have properties of both metals and nonmetals: sometimes referred to as semiconductors
|
|
|
compound
|
A pure substance composed of two or more elements that are chemically combined. Example: H2O
|
|
|
mixture
|
A combination of two or more substances that are not chemically combined
|
|
|
solutions
|
A mixture that appears to be a single substance but is composed of particles of two or more substance that are distributed evenly amongst eachother. Example: p.92
|
|
|
solute
|
The substance that is dissolved to form a solution. Example p. 92
|
|
|
solvent
|
The substance in which a solute is dissolved to form a solution Example p.92
|
|
|
concentration
|
A measure of the amount of solute dissolved in a solvent
|
|
|
solubility
|
The ability to dissolve in another substance or the amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature.
|
|
|
suspension
|
A mixture in which particles of a material are dispersed throughout a liquid or gas but are large enough that they settle out.
Example p. 96 |
|
|
colloid
|
A mixture in which the particles are dispersed throughout but are NOT heavy enough to settle out
Example p. 97 |
