Bonding and Reaction Puzzles

Name ______Bonding and Reaction Puzzles

1. Take a look at the puzzle pieces. What do you notice about the shapes? ______

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2. Put them in groups based on their shapes. How many groups do you have? ______

3. Look at the pieces with only one element like Ca, Be, Br, and O. Where are these pieces on the Periodic Table? List them by Group/Family.

1 2 3 4 5 6 7 8

Are there any that do not belong in Groups 1 – 8? ______What are they?______

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Where are they on the Periodic Table? ______

4. Draw the electron dot diagram for each piece that is only one element. ______

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How does the electron dot diagram relate to the shape of the piece? ______

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How does it relate to the elements Group on the Periodic Table? ______

______5. Calcium has 2 tabs. What does that mean for bonding? ______

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6. A Chloride piece has 1 slot. What does that mean for bonding? ______

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7. Make a molecule of Calcium chloride? What is the chemical formula? ______

8. Make a molecule of Ammonium sulfate. What is the chemical formula? ______

9. Use the pieces to determine the products formed when Calcium chloride reacts with Ammonium sulfate. Write the equation for the reaction.

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10. Use the pieces to create 4 possible molecules (that are not listed on this paper) and write their chemical formula. ______

11. Finish the reactions below. Determine what the products would be. Write a balanced equation. (*Hint: You may have to change the reactant side of the equation to balance it.)

CaCO3 + 2KCl → ______

2K + Na2O → ______

CaCl2 + NH4NO3 → ______*

12. Write the total mass of each reactant and product under it symbol or formula above. Total the masses for each side. Are your results consistent with the Law of Conservation of Mass? Why? ______

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