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What is the oxidation number of nitrogen?
How does electronegativity affect chemical bonds?
Electronegativity affects the polarity of chemical bonds by creating partial charges on atoms. In a polar bond, the more electronegative atom attracts electrons more strongly, creating a partial negative charge, while the less electronegative atom has a partial positive charge. This leads to the attraction between oppositely charged poles, creating a dipole. Nonpolar bonds occur when the atoms have similar electronegativities and share electrons equally.