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Science EOC List 2

Elements, Compounds, and Mixtures

TermDefinition
acid substance with a pH lower than 7.
atom the smallest particle of an element that still retains the properties of the element.
base substance with a pH above 7.
compound atoms of more than one type of element that are chemically bonded together.
element substance that is made of only one type of atom.
heterogeneous mixture a mixture which is not mixed evenly and each component retains its own properties.
homogeneous mixture solid, liquid, or gas that contains two or more substances blended evenly throughout.
mixture a combination of substances in which the individual substances do not change or combine chemically but instead retain their own individual properties; can be gases, solids, liquids, or any combination of them.
pH a measure of the concentration of hydronium ions in a solution using a scale ranging from 0 to 14, with 0 being the most acidic and 14 being the most basic.
pure substance substances that are made of only one type of atom or only one type of molecule (a group of atoms bonded together).
salt compound formed when negative ions from an acid combine with positive ions from a base.
solute in a solution, the substance being dissolved.
solution a mixture which is evenly mixed throughout; also known as a homogeneous mixture.
solvent in a solution, the substance in which the solute is dissolved.
suspension heterogeneous mixture containing a liquid in which visible particles settle throughout.
Created by: MsKovalcik