Unit 2 Review Sheet

Unit 2 Review Sheet - and charge of each sub-atomic...

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Name: __________________________________________ Date: ____________ WKST #7: Unit 2 Review Sheet (20 points) Period: __________ 1. Complete the chart below: Symbol Protons Neutrons Electrons Sr-89 47 Ti 4+ N 3+ Si 4- Pt-195 119 Sn 2+ 2. Balance the reactions using the smallest whole number coefficients. Classify each reaction. a. ___ Fe 2 (SO 4 ) 3 + ___ KOH ___ K 2 SO 4 + ___ Fe(OH) 3 ________ b. ___ KClO 3 ___ KClO 4 + ___ KCl ________ c. ___ N 2 O 5 + ___ H 2 O ___ HNO 3 ________ d. ___ Al + ___ FeO ___ Al 2 O 3 + ___ Fe ________ 3. Draw a model of the atom, labeling the protons, neutrons, electrons and nucleus. Include the mass
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Unformatted text preview: and charge of each sub-atomic particle. 4. Predict the products for each set of reactants use your reference table to determine the charges. a. Mg Cl b. Li O c. Ca NO 3 5. What are isotopes? What makes isotopes of an element different from one another? 6. What are ions? How does an atom become an ion? 7. What ions are formed when the following ionic compounds dissolve in water? a. BaCl 2 b. Co 2 (SO 3 ) 3 c. AgNO 3 d. Fe(NO 3 ) 2 8. Verify that the average atom mass of rubidium, (Rb), by using the information below: Rb-85 (72.17%) Rb-87 (27.84%)...
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Unit 2 Review Sheet - and charge of each sub-atomic...

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