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10 cards from this deck
By atomic number
Dmitri Mendeleev, 1869
Vertical columns, numbered 1-18
Horizontal rows, numbered 1-7
Fluorine
Measure of atom size from centre to outer electrons
Energy to remove one electron from atom in gas phase
Decreases (atoms get smaller)
Increases (harder to remove electrons)
Increases (attracts electrons more strongly)
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