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Sasser S8P1b

Physical Science

TermDefinition
Element Made up of one type of atom Cannot be broken down by physical and chemical methods Examples: Oxygen, Nitrogen, Carbon
Compound Form when two or more different elements join (bond) together chemically,composition is identical in each sample,can be separated only by chemical methods,properties of a compound are totally different than the properties of the elements that form them
Mixture Form when elements and/or compounds are combined physically Properties of a mixture are related to its components Composition varies from sample to sample Can be separated by physical methods Examples of Mixtures: Tea, Perfume, Air, Salad, Beach sand,
Pure Substance Fixed composition Distinct properties Cannot be separated into simpler substances by physical methods Can only be changed in identity and properties by chemical methods Properties do not vary one sample to another sample elements and compounds
Bonded something that binds, fastens, confines, or holds together.
Solute The substance in the smallest amount and the one that DISSOLVES
Solvent The substance in the larger amount - it does the dissolving
Homogeneous Mixture Solutions) have a uniform distribution. For example: Tea, Perfume, Air
Heterogeneous Mixture do not have a uniform distribution. Parts are often visible For example: Salad, Beach Sand, Oil and Vinegar dressing
Homo- same
Hetero- different
Created by: bsasser