( ( ( ( Processes ( ( in which ) ( ( the nonmetal ) ( is ( carbon ( in ( ( ( ( its ( elemental form ) ) , ) i.e. ) , ) ) ) ) ) ) ) ( not in ) ) ( ( the form ) ( of ( a ( carbon compound ) ) ) ) ) . )
(ROOT (NP (NP (NP (NNS Processes)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (DT the) (NN nonmetal)) (VP (VBZ is) (NP (NP (NN carbon)) (PP (IN in) (NP (NP (PRP$ its) (JJ elemental) (NN form)) (, ,) (NP (NNP i.e.)) (, ,)))))))) (CONJP (RB not) (IN in)) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (DT a) (NN carbon) (NN compound)))) (. .)))
Processes in which the nonmetal is carbon in its elemental form, i.e., not in the form of a carbon compound.
(ROOT (S (NP (NP (DT The) (NN element) (NN carbon)) (PP (IN on) (NP (DT the) (JJ periodic) (NN table)))) (VP (VBZ forms) (NP (DT the) (ADJP (RBS most) (JJ diverse)) (NNS compounds))) (. .)))