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Classifying Elements

Vocabulary

TermDefinition
atomic number the number of protons in an atom
molecule a particle that contains more than one atom joined together
metal a substance that conducts heat and electricity well
nonmetal an element that is a poor conductor of heat and electricity
noble gasses helium, neon, argon, krypton, xenon, and radon
metalloids a very small of elements
Created by: 610034047
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