Mesomeric effect attributed to a substituent[?] in chemical compounds due to overlap of its p- or pi-orbitals with the p- or pi-orbitals of the rest of the molecular entity. The effect is symbolized by M.
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... are 14,078 people, 4,578 households, and 3,731 families residing in the town. The population density is 1,322.5/km² (3,428.5/mi²). There are 4,661 housing ...