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Learning Exercise

Material: WebElements
Submitted by: Chandra Visvanathan on Sep 11, 2004
Date Last Modified: Sep 11, 2004
Title: Investigating Elements online using WebElements
Description: Select an element from the illustrated Periodic Table and find information such as
- when and how it was discovered
- its physical and chemical properties
- its uses
- what chemical family it belongs to
Topics: Classication of elements
Course: General Chemistry
Learning Objectives: To enable students to explore
(1) the periodic variation in some physical properties (such as atomic radius, melting point, ionisation energy)
(2) the similarities in chemical properties of elements in various groups
Text of Learning Exercise: Select an element and find the following information:
(1) When and how was it discovered?
(2) List its physical properties
(3) List its chemical properties
(4) What are the uses of the element?
(5) What family does the element belong to?
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