ionic bondinginstance naclna z 11 gives up the
Ionic Bonding
Note: all the electrons are bound tightly to the atom.
Because there are no loosely bound electrons to participate in current flow → NaCl is a good insulator.
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applications of semiconductorsintegrated circuits ics ssi msi lsi and vlsifluorescent materials used in tv screens ii-vi znslight detectors insb cdse
energy gapdifferentiating feature between the metals insulators and semiconductorsascertains the absorption or emission spectra the leakage current
impurities in semiconductorscan be added in accurately controlled amountscan modify the electronic and optical propertiesused to change conductivity
bonding forces and energy bands in solids electrons are controlled to sets of discrete energy levels in atoms with large gaps among them in which no
ionic bondinginstance naclna z 11 gives up the outermost shell electron of it to cl z17 atom so the crystal is build up of ions with the electronic
metallic bondingin metals the outer shell is filled through no more than three electrons loosely bound and given up easily gt great chemical activity
covalent bondingexhibited through the diamond lattice semiconductorseach atom enclosed by four nearest neighbors each comprising four electrons in
mixed bondingdisplayed by iii-v compounds bonding partly ionic and partly covalentionic character of bonding becomes much more prominent since the
metals semiconductors and insulators for electrons to move within an applied electric field there have to be states available to them a totally
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