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Unit 1.2

Science

TermDefinition
Atoma single ele The smallest unit of an element that maintains the properties of that element
Element A substance that cannot be separated or broken down into simpler substance by chemical means
Compound A substance made up of atoms of two or more different elements joined by chemical bonds
Mixture A combination of two or more substance that are not chemically combined
Pure Substance A sample of matter either element a single element or a single compound, that has definite chemical and physical properties
Heterogeneous Describes something that has a uniform structure or composition throughout
Homogeneous describes something that has uniform structure or composition throughout
Solid a substance or object that is solid rather than liquid or fluid
liquid a liquid substance
Gas a air like substance which expands
freezing
melting
evaporation
boiling
condensation
sublimation
deposition
Created by: cuteeyes123