Learning Exercise

Investigating Elements online using WebElements

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
Course: General Chemistry

All you want to know about each element. a fourbar linkage see more


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?


Classication of elements

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