Au3+ PO43 K+ Na+ Cr2O72 2. Complete the chart. You can use an ion chart to help you find the names and formulas of polyatomic ions. Number of Ions Ions (optional) Formula Atoms Name ammonium ammonium NH4+ MnO4 NH4MnO4 10 permanganate gold(III) gold(III) hydrogen Au3+ HS Au(HS)3 7 sulphide sodium calcium uranium(VI) hydroxide lithium
Au3+ PO43 K+ Na+ Cr2O72 2. Complete the chart. You can use an ion chart to help you find the names and formulas of polyatomic ions. Ions Ions (optional) Formula Name Number of Atoms ammonium NH4+ MnO4 NH4MnO4 ammonium permanganate 10 gold(III) Au3+ HS Au(HS)3 gold(III) hydrogen sulphide 7 sodium calcium uranium(VI) hydroxide lithium
sci_9_unit_3_chemistry_review_package_2016.docx