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chapter 6

chemistry

QuestionAnswer
atoms building blocks of matter
nucleus where the neutrons and protons are located at the center of the atom
protons positively charged particles
neutrons have no charge
electrons negatively charged
elements pure substances that cant be broken down
isotope atoms of the same element that have different numbers of neutrons
compound pure substance formed when 2 or more different elements combine
covalent bond chemical bond that forms when electrons are shared
molecule compound in which atoms are held together be covalent bonds
ion an atom that has lost or gained one or more electrons
ionic bond electrical attraction between two oppositely charged atoms or groups of atoms called ions
Created by: arickmayo
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