( ( Some compounds ) ( ( are ( made ( of ( ( ions , ) ( which ( ( are ( ( positively or ) negatively ) ) ( charged ( ( ( atoms or ) groups ) ( of atoms ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Some) (NNS compounds)) (VP (VBP are) (VP (VBN made) (PP (IN of) (NP (NP (NNS ions)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (ADVP (ADVP (RB positively)) (CC or) (ADVP (RB negatively))) (VP (VBN charged) (NP (NP (NNS atoms) (CC or) (NNS groups)) (PP (IN of) (NP (NNS atoms)))))))))))) (. .)))
Some compounds are made of ions, which are positively or negatively charged atoms or groups of atoms .
(ROOT (S (NP (DT An) (NN ion)) (VP (VBZ is) (NP (NP (DT an) (NN atom) (CC or) (NN group)) (PP (IN of) (NP (NP (VBN bonded) (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (DT a) (ADJP (JJ positive) (CC or) (JJ negative)) (NN charge))))))))) (. .)))