Periodic Table

You as students are going to do an independent investigation of the Periodic table, beginning with the history of its development to different trends that can be found in the table. In many ways the periodic table is the most useful and valuable tool in chemistry.



I will give each group a sheet of questions, which can also be found in your shared folders. Each question will have a number of web sites that you can visit to answer the question. Some questions may be answered by just one site or may require information from several or all of the sites. It is up to your group to decide!


There are some activities included in this package the first, graphing the trends can be done in class. (it requires graphing paper or the use of a graphing program such as excel or graphical analysis) The second activity will be done in the lab and each student will be required to hand in his or her own write up. (I will set a date for this lab soon)




In preparation for Quizzes and tests we will be having a few review days to ensure that everyone understands and has the required information. On these day I may require your group to present their findings and answer any questions that other students may ask. There will be one quiz and a test for this unit.

Additional Evaluation

In addition to the test, quiz and lab report I will be evaluating the answers and graphing activity for each group. You as a group may hand in one package however it is strongly recommended that each student have a copy of the findings in order to study for the test and exam. Another point of evaluation will be how well prepared your group is to answer questions.


I would encourage students to try and be a creative as possible when answering questions, keeping in mind they may have to present this information to the class. Use drawings, graphs, computer graphics, etc.




a Feel free to do your own search and come up with alternative sites.

a Your textbook can also be a valuable resource!

  1. History of the Periodic table
    1. Describe the historical background involved with the development of the Periodic table include the contributions made by Johanna w. Doberenein, Cannizzaro, Mendeleev, J Newlands and Henery Mosely.
    2. What is
      1. a Triad
      2. Law of Octaves
      3. Periodic Law
      4. Atomic Number vs. Atomic Mass
    3. Mendeleev is the main scientist associated with the periodic table write up a detailed History of Mendeleev (Date of Birth and death, life details both Professional and personal)

Net Links:


  1. Organization of the Periodic table
    1. What are the following? (In your answer say where they can be found on the periodic table)
    2. Metal
    3. Non metal
    4. Group
    5. Period
    6. Metalloids
    7. Main group element
    8. Transition Element
    9. What do the elements occurring in the same period have in common?
    10. What do the elements occurring the same groups have in common?
    11. What special names are associated with the following groups or families in the periodic table describe some characteristics of these groups or families.
    12. Group IA
    13. Group IIA
    14. Group VII A
    15. Group VIII A



  1. Trends in the Periodic table

    There are a number of characteristics associated with atoms of elements, two which we are going to examine closely are atomic radius (the size of the atom) and electronegativity (energy needed to pull a valance electron away from an atom). Each group exhibits a certain trend within the periodic table with respect to these characteristics in the activity, which you will get from Ms Gough these trends are graphed. It is strongly encouraged that you use a graphing program to produce your graphs (two suggestions are excel or graphical analysis)

    The sites listed below will help you with your graphs and answering the questions involved.

    Requirements Graphs and questions answered that are included with the hand out.



Package: One package handed in per group it will be marked for completeness, neatness, and correctness (50 marks)

Presentation: this is worth 20 marks, accuracy, and quality of content, creativeness and overall presentation will be marked.

Group Evaluations: each member of the group will evaluate its partners in terms of cooperativeness, input and overall respect of the other members.

Teacher Evaluation of Groups: I will be evaluating each group in terms of how well they use their time and work together. Each student of the group will receive the same mark, because it is important we help each other stay on track.

Test:A final test which will evaluate each student on all the content covered in this package.

Quiz: A quiz mid way through the unit in order to determine that everyone is covering and understanding the required material.

Where are the halides Lab?A Lab activity, students will be required to hand in their own write up.