Editing revision 15 of 2023-2024 Ions To Memorize
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Cation and Anion from elements, use Periodic Table and valence electrons to determine charge<br> <br> <u>Polyatomic ions to memorize</u><br> *nitrate, N<sub>1</sub>O<sub>3</sub><sup>1-</sup><br> *sulfate, S<sub>1</sub>O<sub>3</sub><sup>2-</sup><br> *carbonate, C<sub>1</sub>O<sub>3</sub><sup>2-</sup><br> *hydroxide, O<sub>1</sub>H<sub>1</sub><sup>1-</sup><br> *phosphate, P<sub>1</sub>O<sub>4</sub><sup>3-</sup><br> *acetate, C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>1-</sup><br> *ammonium, N<sub>1</sub>H<sub>4</sub><sup>1+</sup><b>(only positive charged polyatomic ion to memorize)</b> <br> <u>Cations with more than one charge to memorize</u><br> *Copper (I) ion, Cu<sup>1+</sup><br> *Copper (II) ion, Cu<sup>2+</sup><br> *Tin (II) ion, Sn<sup>2+</sup><br> *Tin (IV) ion, Sn<sup>4+</sup><br> *Iron (II) ion, Fe<sup>2+</sup><br> *Iron (III) ion, Fe<sup>3+</sup><br> <br> <u>Others (to memorize)</u><br> Silver ion, Ag<sup>1+</sup><br> Zinc ion, Zn<sup>2+</sup><br>
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