( ( These ( covalent bonds ) ) ( ( are ( ( called ( nonpolar ( covalent bonds ) ) ) ( because ( ( ( the electrons ) ( shared ( by ( ( the ( adjacent atoms ) ) ( in ( the bonds ) ) ) ) ) ) ( are ( shared ( ( ( equally ( The consequence ) ) ( of ( ( this ( equal sharing ) ) ( of electrons ) ) ) ) ( is ( that ( there ( is ( ( no ( charge separation ) ) ( -LRB- ( ( dipole moment ) -RRB- ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NN covalent) (NNS bonds)) (VP (VBP are) (VP (VBN called) (NP (NN nonpolar) (NN covalent) (NNS bonds)) (SBAR (IN because) (S (NP (NP (DT the) (NNS electrons)) (VP (VBN shared) (PP (IN by) (NP (NP (DT the) (JJ adjacent) (NNS atoms)) (PP (IN in) (NP (DT the) (NNS bonds))))))) (VP (VBP are) (VP (VBN shared) (SBAR (S (NP (NP (RB equally) (DT The) (NN consequence)) (PP (IN of) (NP (NP (DT this) (JJ equal) (NN sharing)) (PP (IN of) (NP (NNS electrons)))))) (VP (VBZ is) (SBAR (IN that) (S (NP (EX there)) (VP (VBZ is) (NP (NP (DT no) (NN charge) (NN separation)) (PRN (-LRB- -LRB-) (NP (JJ dipole) (NN moment)) (-RRB- -RRB-))))))))))))))) (. .)))
These covalent bonds are called nonpolar covalent bonds because the electrons shared by the adjacent atoms in the bonds are shared equally The consequence of this equal sharing of electrons is that  there is no charge separation (dipole moment).
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NNS electrons)) (VP (VBP are) (VP (VBN shared) (ADVP (RB equally)))))) (, ,) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (NN nonpolar) (NNS bonds)))) (. .)))