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science

science vocabulary

TermDefinition
proton A particle in the space inside the nucleus of an atom that carries one unit of positive electric charge.
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 protons 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
non metal a group of elements that are poor conductors of heat and electricity
noble gases the nonmetallic elements helium, neon, arogn
metalloids
periodic table
Created by: 60095634
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