Name_________________   Trends quiz

1. Rank N, P, Na from smallest radius to largest. __________________________________________________________________________________________________________________________________________
2. Name three ions isolectric with Ar, and rank them from smallest to largest radius

3. Explain the difference between electron affinity and electronegativity

4. Rank N, P, Na from smallest to largest EN

5. Where will you find the greatest jump in ionization energy for Ca:  (difference between first and second ionization energy), (difference between second and third ionization energy), (difference between third and fourth ionization energy)

Explain your answer for #5:

Name_________________   Trends quiz

6. Rank N, P, Na from smallest radius to largest. __________________________________________________________________________________________________________________________________________
7. Name three ions isolectric with Ar, and rank them from smallest to largest radius

8. Explain the difference between electron affinity and electronegativity

9. Rank N, P, Na from smallest to largest EN

10. Where will you find the greatest jump in ionization energy for Ca:  (difference between first and second ionization energy), (difference between second and third ionization energy), (difference between third and fourth ionization energy)

Explain your answer for #5:

AP Chemistry Homework Trends HW2                   Mr. English 2014

1)7.19, 7.23, 7.31, 7.33

2. 7.35, 7.37, 7.41, 7.43, 7.51
3. Draw electron orbital diagrams (arrow notation) for Zn2+, Ba2+, Cd2+,  Fe2+, and use these to predict the magnetic character of the chlorides of these ions (paramagnetic or diamagnetic)
4. Which elements can react directly with hydrogen to form hydrides?  Write out two balanced reaction equations
5. Oxygen reacts directly with many other elements.  Give an example (write a balance equation) representing the reaction between oxygen an each of the following:

1. Cu (two possible reactions can be written)
2. Fe (two possible reactions can be written)
3. C (two possible reactions can be written)
4. N (many possible reactions can be written..choose at least two)
5. Which elements will form peroxides or superoxides, rather than ordinary oxides on reaction with oxygen?  Give three examples of these types of reactions

6. Which metals will react directly with water at room temperature?  Write out two balanced chemical equations
7. Show the balanced reactions for each of the following elements with Chlorine:

1. Ca        b) Na                c) Fe  (two possible reactions)

AP Chemistry Homework Trends HW2                   Mr. English 2014

1)7.19, 7.23, 7.31, 7.33

2. 7.35, 7.37, 7.41, 7.43, 7.51

3)Draw electron orbital diagrams (arrow notation) for Zn2+, Ba2+, Cd2+,  Fe2+, and use these to predict the magnetic character of the chlorides of these ions (paramagnetic or diamagnetic)

4)Which elements can react directly with hydrogen to form hydrides?  Write out two balanced reaction equations

5)Oxygen reacts directly with many other elements.  Give an example (write a balance equation) representing the reaction between oxygen an each of the following:

2. Cu (two possible reactions can be written)
3. Fe (two possible reactions can be written)
4. C (two possible reactions can be written)
5. N (many possible reactions can be written..choose at least two)
6. Which elements will form peroxides or superoxides, rather than ordinary oxides on reaction with oxygen?  Give three examples of these types of reactions

6)Which metals will react directly with water at room temperature?  Write out two balanced chemical equations

7)Show the balanced reactions for each of the following elements with Chlorine:

7. Ca        b) Na                c) Fe  (two possible reactions)