( ( Because ( electrons ( have ( a ( negative charge ) ) ) ) ) ( , ( ( atoms ( stripped ( of ( them ( become positively ) ) ) ) ) ( ( charged ions ) . ) ) ) )
(ROOT (S (SBAR (IN Because) (S (NP (NNS electrons)) (VP (VBP have) (NP (DT a) (JJ negative) (NN charge))))) (, ,) (NP (NP (NNS atoms)) (VP (VBN stripped) (PP (IN of) (NP (NP (PRP them)) (VP (VBN become) (ADVP (RB positively))))))) (VP (VBD charged) (NP (NNS ions))) (. .)))
Because electrons have a negative charge, atoms stripped of them become positively charged ions.
(ROOT (S (S (NP (JJ Remember) (NNS electrons)) (VP (VBP are) (ADVP (RB negatively)) (VP (VBN charged)))) (, ,) (IN so) (S (NP (NP (NNS ions)) (PP (IN with) (NP (DT a) (JJ positive) (NN charge)))) (VP (VBP have) (VP (VBN lost) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN electron))))) (. .)))