1) Na3PO4 a) Sodium Phosphate b) Sodium Phosphide c) Sodium Phosphorus d) Natrium Phosphate 2) NaOH a) Sodium Oxide b) Sodium Hydride c) Sodium Hydroxide d) Sodium (II) Hydroxide 3) How many total atoms are in Al2(SO4)3 a) 9 b) 12 c) 14 d) 15 e) 17 4) CaSO4 a) Calcium Phosphate b) Calcium Sulfide c) Calcium Sulfate 5) Magnesium Phosphate a) Mg3PO4 b) Mg3(PO4)2 c) Mg(PO)4 6) Which is the correct charge for Iodate a) -3 b) -2 c) -1 7) When naming ionic compounds which ALWAYS comes first a) cation b) anion 8) Find the binary ionic compound (consist of 2 elements) a) Ba(OH)2 b) Li2O c) KNO3 9) The ion of Ca has what charge (use your periodic table) a) +1 b) +3 c) +2 10) What is an ionic compound? a) bond between two nonmetals b) bond between a metal and nonmetals c) bond between two metals 11) What type of force holds the ionic compound together a) electrostatic force b) gravitational force c) magnetic force 12) Which of these are anions? a) Ca 2+ b) Al 3+ c) Cl- d) CO32- e) S2- 13) Why do we put () around the polyatomic ion when writing the chemical formula? a) when it needs a subscript b) when it loses an electron c) when it gains and electrons

Polyatomic Ionic Compounds

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