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Examen
iit jee Chemistry exam questions & answers
iit jee Chemistry exam questions & answers 
 
 
Nonpolar covalent bond - ANSWERSwhen atoms in the bond pull equally; Electronegativity difference of less than 0.5 
 
Polar covalent bond - ANSWERSwhen atoms in the bond pull unequally (polar bond); Electronegativity difference from 0.5-1.6 
 
Ionic bond - ANSWERSelectronegativity difference of more than 1.6 
 
Assumptions for bonds - ANSWERSidentical atoms or CH-->nonpolar 
nonmetal+nonmetal-->polar 
metal+nonmetal-->ionic 
 
Electron pul...