( ( ( Nonmetal ( atoms gain ) ) ( electrons ( to ( form ( negative ions ) ) ) ) ) ( , ( ( called ( ( anions , ) ( which ( are ( larger ( than ( the ( original atom ) ) ) ) ) ) ) ) . ) ) )
(ROOT (SINV (S (NP (JJ Nonmetal) (NNS atoms) (NN gain)) (VP (VBZ electrons) (S (VP (TO to) (VP (VB form) (NP (JJ negative) (NNS ions))))))) (, ,) (VP (VBD called)) (NP (NP (NNS anions)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (ADJP (ADJP (JJR larger)) (PP (IN than) (NP (DT the) (JJ original) (NN atom)))))))) (. .)))
Nonmetal atoms gain electrons to form negative ions, called anions , which are larger than the original atom.
(ROOT (S (NP (NNS Electrons)) (ADVP (RB always)) (VP (VBP result) (PP (IN in) (NP (NP (DT an) (NN anion)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (ADJP (JJR larger)) (PP (IN than) (NP (DT the) (NN parent) (NN atom)))))))))) (. .)))