Strong bases usually contain positively charged atoms of high electronegativity and no resonance stabilization.

Question

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Strong bases usually contain negatively charged atoms, such as hydroxide (OH-) or alkoxide (RO-), which have a high electron density and can easily donate electrons. These negative charges are stabilized by resonance, which helps to spread out the charge over a larger area and make it more stable. Therefore, strong bases typically have atoms with low electronegativity and resonance stabilization.

Strong Bases Usually Contain Positively Charged Atoms of High Electronegativity