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U2,L2- Chemistry

Periodic Table

TermDefinition
atomic number the number of protons contained in an atom of an element
Periodic Table a chart that shows all of the elements arranged by atomic numbers and by properties
group A column on the periodic table
period A row on the periodic table
element A pure substance made of only one kind of atom
chemical symbol An abbreviation of the element's name
Created by: samantha_weigle
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