Mixtures and Solutions Flashcards
pure substance
a substance with only one type of matter in it
eg. table salt
mixture
a combination of different substances
eg. soil
element
a pure substance found on the Periodic Table of the Elements
eg. nickel
compound
two or more substances that are chemically combined
eg. water is H2O
mechanical mixture
a mixture in which you can see all of the different parts
eg. Muchie Mix
solution
a mixture in which you can’t see all of the different parts
eg. vinegar
heterogeneous mixture
a mixture in which you can see all of the different parts
homogeneous mixture
a mixture in which you can’t see all of the different parts
matter
anything that occupies space and has mass or volume
paper chromatography
a method of determining whether a liquid is a pure substance or a solution
solute
in a solution, the substance that dissolves
solvent
in a solution, the substance that does the dissolving
fractional distillation
a process used to separate mixtures, for example, crude oil
Particle Theory of Matter
the theory that states that all matter is made up of extremely tiny moving and vibrating particles that are attracted and bonded to each other and have spaces between them
dissolving
mixing a solute with a solvent forming a solution; the particles of a substance in a liquid are attracted to the liquid particles and break away from each other
