10 terms

Periodic Table

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atom
smallest particle of an element
neutron
particle with no charge found inside the nucleus of an atom
proton
positively charged particle found inside the nucleus of an atom
electron
negatively charged particle that orbits around the nucleus of an atom
matter
anything that has mass and takes up space
family
groups of elements arranged in columns on the periodic table
period
groups of elements arranged in rows on the periodic table
metals
elements that are ductile, malleable, conduct heat and electricity very well
metalloids
elements that could be ductile and malleable but not good conductors of heat and electricity
nonmetals
elements that are not ductile or malleable and are poor conductors of heat and electricity
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