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Periodic Table

periodic table revision

TermDefinition
period rows
group columns
element a substance that cannot be broken down into smaller parts
atomic number number of protons or electrons
atomic mass number of protons and neutrons
subscript little number
coefficient big number out the front
ion a charged atom
cation positive ion
anion negative ion
static electricity an imbalance of electrical charges between the two objects
valence electron the outermost shell of an atom
trends on the periodic table increasing in reactivity from right to left
Created by: justineforrest
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