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Classifying Elements

Vocab

TermDefinition
proton A particle in the space inside the nucleus of an atom that carries an unit of positive eclectic charge
atomic number The number of protons in a signal atom of an element
electron A particle in the space outside the nucleus of an atom that carries one unit of negative eclectic charge
molecule A particle that contains two or more atom joined together
metals A substance that conducts heat and electricity
nonmetal A group of elements that are poor conductors of heat and electricity
noble gases The nonmetallic elements helium, neon, argon, krypton, xenon, and radon
metalloids A small group of elements with some properties of both metals and nonmetals
periodic table
Created by: 610042799
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