PhysicsEasy66×since 2002Q6862Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate ?AThe number of free electrons for conduction is significant only in SiSiSi and GeGeGe but small in C.C.C.BThe number of free conduction electrons is significant in CCC but small in SiSiSi and Ge.Ge.Ge.CThe number of free conduction electrons is negligibly small in all the three.DThe number of free electrons for conduction is significant in all the threeCheck answerSkip