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clasifing elemant

Vocabulary

TermDefinition
proton a particle in the space inside the nucleus of an atom that carries one unit of positive electric charge.
electron a particle in the space outside the nucleus
atomic number the number of protons in a single atom
molecule a particle that contains two or more atoms
metals a substance that conducts heat and electricity
nonmetals a group of element that are poor
noble gases the element helium neon argon krypton xenon radon.
metalloids a small group of elements with some properties
periodic table a chart that shows all the known elements
Created by: pedrozuniga
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