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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