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4:13
YouTube
Chem Help ASAP
effective nuclear charge and electronegativity - horizontal period table trend
As effective nuclear charge (Zeff) increases from left to right across the periodic table, the electonegativity (eN) of an atom also increases. The increasing attraction between the protons in the nucleus and valence electrons as measured by Zeff appears as an increase in eN, which is also a scale of electron attraction. The slight contraction ...
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