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zwitterionic compound definition

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A neutral compound having electrical charges of opposite sign, delocalized or not on adjacent or nonadjacent atoms. Zwitterionic compounds have no uncharged canonical representations. Sometimes referred to as inner salts, ampholytes, dipolar ions (a misnomer).

For example: H3N+CH2C(=O)O-, glycine.

See also ylide.


See also:

X-ray photoelectron spectroscopy (XPS) definition


X-ray fluorescence (XRF) definition
Working curve definition