Periodic Trend Webquest

Periodic Trend Webquest

Answers are to be recorded. Go to the Moodle or see your teacher for a copy.

Periodic Table webquest – general organization & trends

Go to the tutorial at the link below (there is a link on the Moodle) and answer the given questions.

http://www.eisodos.com/flasakia/Periodic.swf

Page 1:

Hit the action button and scroll through the discovery of the elements.

1. What elements were known in ancient times?

2. When were the noble gasses discovered?

 

Page 2:

1. Periods =

2. Groups =

3. Show the 2 methods of numbering groups on the periodic table on the last page.

 

Page 3:

Explain the trend for atomic radius going down a group:

 

 

 

Page 4:

Explain the trend for atomic radius going across a period:

 

 

 

Page 5:

Answer these questions – explain the answers.

 

Page 6:

Explain how neutral atoms compare to the cation they form. Make a t-chart to compare
Li and Li+ to help explain.

 

 

 

 

 

Explain how neutral atoms compare to the anions they form. Make a t-chart to compare
F and F- to help explain.

 

 

 

 

Page 7:

Explain the trend for ionization energy.

 

 

 

 

 

 

Page 10:

Explain the trend for Electron Affinity.

 

 

 

 

 

 

 

 

 

Pages 11- 15 for the remaining questions.

 

 

Properties

Metals

 

Metalloids

 

Nonmetals

 

 

 

Describe the “Groups of Interest”

Group Name Group Number Valence
electrons
Charge of ions General Properties
Alkali Metals

 

       
Alkaline Earth Metals

 

       
Halogens

 

       
Noble Gases

 

       

 

 

On the table – make notes and show the following:

1. Metal/metalloids/nonmetals

2. spdf

3. Group numbers – by both systems

4. Period numbers

5. Representative Elements

6. Transition Metals/Inner Transition Metals
7. Alkali Metals, Alkaline Earth Metals, Halogens, Noble Gases
8. Lanthanides and Actinides