| Section |
Links |
4.1
Organizing the Elements |
The
First Periodic Table. Mendeleev had the insight to arrange
the known elements into vertical columns he called "Gruppe's"
on the basis of their similar chemical and physical properties.
A short page with an illustration.
Another
First. This also looks at Mendeleev. It shows how he
had the insight to arrange the known elements ino groups. |
4.3
Exploring the Modern Periodic Table |
WebElements.
This version of the periodic table and all of its elements
is provided by Mark Winter at the University of Sheffield. One of
the best periodic tables on the net. If this site is busy, there
are a series of mirror
sites.
On-line
Periodic Table. A resource for high school students.
It includes a useful page on "How to use the Periodic Table".
|
4.4
Groups of Elements |
Chemicool
Periodic Table. A colorful and easy to use Periodic
Table. More information about elements than you could ever use.
|
4.7
Ozone |
The
Ozone Depletion FAQ. Everything you ever wanted to know about
ozone — how it's created, how the ozone layer is depleted
and what is being done about ozone depletion. |
4.9
Groups
of Elements: Profile |
Visual
Elements. Each element's entry includes information about
the element's discovery, name, and importance; more detailed information
including physical properties, biological role, isotopes, and thermochemistry
is tucked in an Adobe Acrobat file linked at the bottom of each
element page.
Elementistory.
The discovery dates and discoverers of chemical elements
are given on this partially complete periodic table. Includes
a bibliography. |
