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TERMS 2.1 + 2.2

QuestionAnswer
Atom Smallest basic unit of matter
Element Substance made of only one type of atom that cannot be broken down by any chemical means
Compound Substance made of atoms or different elements that are bonded together in a particular ratio
Ion Atom that has gained or lost one or more electrons
Ionic Bond Chemical bond formed through the electrical force between oppositely charged ions
Covalent Bond Chemical bond formed when two atoms share one or more pairs of electrons
Molecule Two or more atoms held together by covalent bonds; not necessarily a compound
Hydrogen Bond Attraction between a slightly positive hydrogen atom and a slightly negative atom
Cohesion Attraction between molecules of the same substance
Adhesion Attraction between molecules or different substances
Solution Mixture that is consistent throughout: also called a homogeneous mixture
Solvent Substance in which solutes dissolve and that is present in greatest concentration in a solution
Solute Substance that dissolves in a solvent and is present at a lower concentration that the solvent
Acid Compound that donates a proton (H+) when dissolved in a solution
Base Compound that accepts a proton (H+) when dissolved in a solution
pH Measurement of acidity; related to free hydrogen ion concentration in solution
Created by: JuliaM2025
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