( ( ( The ( two ( nitrogen atoms ) ) ) ( in ( ( a molecule ) ( of nitrogen ) ) ) ) ( ( share ( ( ( three pairs ) ( of valence ) ) ( electrons ( -LRB- ( ( six ( valence ( electrons total ) ) ) ( -RRB- ( to ( form ( a ( TRIPLE ( COVALENT BOND ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (CD two) (NN nitrogen) (NNS atoms)) (PP (IN in) (NP (NP (DT a) (NN molecule)) (PP (IN of) (NP (NN nitrogen)))))) (VP (VBP share) (SBAR (S (NP (NP (CD three) (NNS pairs)) (PP (IN of) (NP (NN valence)))) (VP (VBZ electrons) (S (-LRB- -LRB-) (NP (CD six) (JJ valence) (NNS electrons) (NN total)) (-RRB- -RRB-) (VP (TO to) (VP (VB form) (NP (DT a) (NNP TRIPLE) (NNP COVALENT) (NN BOND))))))))) (. .)))
The two nitrogen atoms in a molecule of nitrogen share three pairs of valence electrons (six valence electrons total) to form a TRIPLE COVALENT BOND .
(ROOT (S (NP (NNP Valence)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (JJ covalent) (NNS bonds))))) (SBAR (S (NP (DT an) (NN atom)) (VP (MD can) (VP (VB form))))))) (. .)))
Valence is the term for the number of covalent bonds an atom can form.