( ( In ( the ionosphere ) ) ( , ( ( some elements ) ( ( exist ( as ( ( ( ( ions-atoms and ) molecules ) ( that ( have become ) ) ) ( electrically ( charged ( by ( ( ( losing or ) gaining ) electrons ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT the) (NN ionosphere))) (, ,) (NP (DT some) (NNS elements)) (VP (VBP exist) (SBAR (IN as) (S (NP (NP (NNS ions-atoms) (CC and) (NNS molecules)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (VP (VBN become)))))) (ADVP (RB electrically)) (VP (VBN charged) (PP (IN by) (S (VP (VBG losing) (CC or) (VBG gaining) (NP (NNS electrons))))))))) (. .)))
In the ionosphere, some elements exist as ions-atoms and molecules that have become electrically charged by losing or gaining electrons.
(ROOT (S (NP (NP (JJ Ionic) (NN compound) (NNS atoms)) (PP (IN of) (NP (JJ various) (NNS elements)))) (VP (VBP gain) (CC or) (VBP lose) (NP (NNS electrons) (S (VP (TO to) (VP (VB produce) (NP (NNS ions))))))) (. .)))