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;
27 Cards in this Set
- Front
- Back
Pure Substance
|
matter that has distinct properties and a composition that doesn't vary
|
|
Elements
|
can't be decomposed into simpler substances
|
|
Compounds
|
a group of two or more elements chemically combined
|
|
Mixtures
|
combinations of two or more substances with no chemical changes
|
|
Solution
|
type of homogeneous mixture in which one substance is dissolved in another
|
|
Reaction
|
when the chemical structure of a substance is changed
|
|
Alloys
|
A mixture of two or more metals
|
|
Amalgrams
|
alloys that combine mercury with other metals in the periodic table
|
|
Emulsions
|
mixture of oils and water
|
|
Colloids
|
solutions with much bigger particles
|
|
Solvent
|
the part of a solution that does the dissolving
|
|
Solute
|
the substance that will be dissolved in a solution
|
|
Homogeneous
|
group of molecules that are mixed up in a completely even distribution
|
|
Covalent Bonds
|
when the atoms share electrons
|
|
Ionic Bonds
|
electrons are donated from one atom to another
|
|
Heterogeneous
|
mixtures without the same composition properties and appearance throughout the mixture
|
|
Chemical Formula
|
shows the composition of the elements making up a compound
|
|
Periodic Table
|
chart listing all known elements
|
|
Subscripts
|
tell how many atoms of each element are in a compound
|
|
Suspensions
|
heterogeneous fluid mixtures containing a solid
|
|
Insoluble Solid
|
a substance that doesn't dissolve
|
|
Soluble Solid
|
a substance that can dissolve to form a solution
|
|
Solubility
|
ability of the solvent to dissolve a solute
|
|
Matter
|
anything that has mass and takes up space
|
|
Liquid
|
a substance with a definite volume but no definite shape
|
|
Solid
|
A substance with a definite shape and volume
|
|
Law Of Constant Composition
|
a law that states that the elemental composition of a pure substance is always the same
|