granular carbon, 640 graphene layer, 640 graphite, 641 graphite fibres, 641 graphite material, 641 graphite whiskers, 642 graphitic carbon, 642 graphitizable carbon, 642 graphitization, 642 graphitization heat treatment, 643 graphitized carbon, 643 gravimetric method, 643 gravitational constant, 644 gray, 644 green body, 644 green coke, 644 greenhouse effect in atmospheric chemistry , 645 Grignard reagents, 645grit in atmospheric chemistry , 645 ground level concentration in atmospheric chemistry , 645 ground level inversion in atmospheric chemistry , 645 ground state, 646 group, 646 group electronegativity, 646 group preconcentration in trace analysis , 646 growth curve of activity , 647 growth rate in biotechnology , 647 Grunwald–Winstein equation, 647 guest, 648