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PIE Fifth Grade Science: Elements, Compounds, & Mixtures

Vocabulary TermDefinition
Electron a particle with a negative charge that moves in a cloud around the nucleus of an atom
Neutron a particle with no charge that is found in the nucleus of an atom
Proton a particle with a positive charge that is found in the nucleus of an atom
Electron Cloud area in which the electrons travel
Matter has mass and takes up space
Elements a substance that cannot be changed into a simpler substance
Conductors allow electricity and heat to flow through easily
Nucleus the central core of an atom where protons and neutrons are located
Atoms the smallest particle of an element that can exist and still keep the element's chemical properties
Chemical Formula an abbreviation for a compound, shows the type and number of atoms present in a compound
Compound formed when two or more elements chemically combine
Chemical Bond formed when elements combine and is a link between atoms
Ion an atom that has lost or gained at least one electron
Molecule made of two or more atoms, formed when atoms share electrons
Dissolving when a substance mixes evenly throughout another substance
Solution a mixture where the different parts mix together evenly
Solvent the substance in great quantity in a solution (usually water)
Solute the substance in lesser quantity (sugar, kool-aid)
Mixture contains two or more different substances that are not chemically joined
Suspension a type of mixture where the substances usually remain mixed for only a short time; particles do not dissolve
Created by: McCarty