Chemicals 2
Theme Learning about the environment
Basic science J.S.S.2 First Term
WEEK 9
Chemicals 2
Performance Objectives
The student should be able to:
1. Define chemicals
2. Classify chemicals based on their usage.
Content
Chemicals
A chemical is any substance consisting of matter. This includes any liquid, solid, or gas. A chemical is any pure substance (an element) or any mixture (a solution, compound, or gas). They can either occur naturally or can be created artificially.
Examples of Naturally-Occurring Chemicals
Naturally-occurring chemicals can be solid, liquid, or gas. Naturally occurring solids, liquids, or gases may be made up of individual elements.... View More
Subscribe now to gain full access to this lesson note
Take Me ThereClick here to gain access to the full notes.