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Stack #2046367

QuestionAnswer
A particle in the space inside the nucleus of an atom that carries one unit of positive electric charge Proton
A particle in the space outside the nucleus of an atom that carries one unit of negative electric charge electron
The number of protons in a single atom of an element atomic number
A practical that contains two or more atoms joined together molecule
A substance that conducts heat and electricity metal
The nonmetallic elements helium neon argon krypton xenon and radon noble gases
A small group of elements with some properties of both metals and nonmetals metalloid
A chart that shows all of the known elements and their properties periodic table
Created by: 610038506
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