Electronegativity tends to increase from left to right across a row, because A. the shielding effect increases. B. the number of energy levels increases. C. the attraction between the nucleus and the

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Electronegativity tends to extension from left to suitable athwart a row, consequently A. the shielding movables extensions. B. the sum of courage levels extensions. C. the disposition among the core and the valence electrons extensions. D. the valence electrons are located farther detached from the core.

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Source coalesce