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-Chapter-6

Vocabulary

TermDefinition
Acid Any substance that forms hydrogen ions in water and has pH below 7.
Atom Smallest particles of an element that has the characteristics of that element; basic building block of all matter.
Base Any substance that forms hydroxide ions in water and has pH above 7.
Compound Substance compounds of atoms of two or more different elements that are chemically combined.
Covalent bond Chemical bond formed when two atoms share electrons
Element Substance that can't be broken down into simpler chemical substance.
Ion Atom or group of atom that gain or lose electrons; has an electrical charge.
Ionic Bond Chemical bond formed by the attractive forces between two ions of opposite charge.
Isotope Atoms of the same element that have different numbers of neutrons in the nucleus.
Metabolism All of the chemical reactions that occur within and organism.
Mixture Combination of substances in which individual components retain their own properties.
Molecule Group of atoms held together by covalent bonds; had no overall charge.
Nucleus Positively charged center of an atom composed of neutrons and positively charged protons' and surrounded by negatively charged electrons.
pH Measure of how acidic or basic a solution is; the scale ranges from below 0 to above 14; solution with pH above 7 is basic and pH below 7 is acidic.
Solution Mixture in which one or more substance (solutes) are distributed evenly another substance.
Created by: Alexis Madison
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