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Creating Learning Networks for African Teachers

UNESCO PROJECT (Contract No. 408.302.9)

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Scanning an image


DATABASE TUTORIAL

THE PERIODIC TABLE

In the study of chemistry it is revealed that elements are the fundamental materials of which matter is composed. From the modern viewpoint, any substance that cannot be broken down or reduced further is by definition an element. So far 109 elements are known.

Link to sources:
https://www.chemsoc.org/viselements/

We use the periodic table as tool to teach about the chemical properties of elements. There are many groups which are used to predict the behaviour of such elements in a chemical reaction.

A Typical Periodic Table of Elements using only chemical symbol names:

The application described proposes to use the Microsoft Access database application as a tool  to teach a class about the various groups of elements in the periodic table.

Click here to view a detailed Periodic Table with elements.

The application was set up under a database called periodic table with the following fields:

Feild name      Meaning
At_no:            Atomic number
Mass_no        Mass number
At_name        Atomic name
E_config        Electronic configuration
Val                Valency
Elt_type         Element type

The following graphic shows the sample data in the Element_details table.


 

Procedure of Opening the Report of  MS ACCESS

Step 1. Click on Click here to go into the MS Access Illustration

Step 2. The prompt shows a screen with options:

-Opening periodic table.mdb using MS ACCESS file (which is recommended if you have MS ACCESS installed on your computer),

-Saving the application on a disk (which is the option for a computer without MS ACCESS).
 
 

A report named 'Report of the first 20 Elements' was defined under Access and it displays the elements in a report format.

Step 3.    Select Reports (if not already selected)

Step 4.    Select: Report of the first 20 Elements and press Enter.

                (maximize the window to gain a better view of the report)

It is proposed that this illustration could be enriched with graphics showing the electronic configuration of a selected element.

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