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ch. 6 test #1 vocab

vocab

QuestionAnswer
atoms building blocks of matter
nucleus the center of an atom which neutrons and protons are located
protons positively charged particles
electrons negatively charged particles
neutrons no charge particles
element a pure substance that cannot be broken down into other substances by physical or chemical means
isotope atoms of the same element that have different numbers of neutrons
compound a pure substance formed in when 2 or more different elements combine
covalent bond chemical bond that forms when electrons are shared
molecule a compound in which the atoms are held together by covalent bonds
Created by: ashshack
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