electronegative


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electronegative

1. having a negative electric charge
2. (of an atom, group, molecule, etc.) tending to gain or attract electrons and form negative ions or polarized bonds
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

electronegative

[i¦lek·trō′neg·əd·iv]
(electricity)
Carrying a negative electric charge.
Capable of acting as the negative electrode in an electric cell.
(physical chemistry)
Pertaining to an atom or group of atoms that has a relatively great tendency to attract electrons to itself.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Ionization techniques in mass spectrometry coupled to separations techniques Type of MS analysis Advantages Negative chemical (i) It provides more sensitivity at low ionization concentration (pg) based on the stability of electronegative moieties.
The replacement of H atom by electronegative aniline groups caused the rise of inner electron bonding energy of boron, and this was in accordance with the literatures results, simultaneously verifying the above FT-IR result [6,19].
At a pH below the PZC of the oxides, the soil becomes electropositive, which makes it possible for the electronegative functional groups of soluble organic anions to bind to the electropositive domains of soil particles.
High PLA2 contents were described in electronegative LDL and also in advanced atherosclerotic plaques.
In bacteria, the electronegative charge of the cell wall is due to lipopolysaccharides in Gram-negative bacteria and teichoic acid in Gram-positive organisms.
Heavy metal resistant Microbes can detoxify the metals by reducing its bioavailability through different mechanisms such as; precipitation of metals as phosphates, carbonates and/or sulfides; volatilization via methylation or ethylation; physical exclusion of electronegative components in membranes and extra cellular polymeric substances (EPS); energy-dependent metal efflux systems; and intra cellular sequestration with low molecular weight, cysteine-rich proteins (21,22).
Similarity between naturally occurring modified desiaiylated, electronegative and aortic low density lipoprotein.
On condition that the interference from the surface adsorbed water is eliminated, the broadened peaks in the wavenumber range of 3600-3100 [cm.sup.-1] belong to the out-of-plane stretching vibration of the hydroxyl-containing hydrogen bonds (-OH), in which the hydrogen atoms are susceptible to mutually attracting apparent electronegative oxygen atoms on the other chemical bonds to form hydrogen bonds.
Nucleophilicity, interatomic distance between electronegative heteroatoms, and electron donor capability of heteroatoms are all important model variables.
Apart from the fact that the proton is attached to a highly electronegative element, the effect of neighboring atoms contributed to a high decrease in electron density around the imine proton (Sankar et al., 2010; Jursic et al., 2002).