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PERIODIC TABLE - Coggle Diagram
PERIODIC TABLE
periodicity
ionization energy
ionisation energy increases left to right and up to down, because electrons that are closer to the nucleus are held more tightly and are more difficult to remove
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atomic radii
generally decrease going left to right along the main-group elements, because the nuclear charge increases but the outer electrons are still in the same shell.
going down a column, the radii generally increase, because the outermost electrons are in higher shells that are thus further away from the nucleus
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