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classifying elements

QuestionAnswer
proton a particle in the space inside the nucleus.
neutron
electron a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge.
atomic number the number of protocols in a single atom of an element.
molecule a particle that contains two or more atoms joined together.
metals a substance that conducts heat and electricity.
nonmetal
noble gases
metalloids
periodic
Created by: 610050444
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