3. Basic Competency:
To understand the element, compound and
mixture.
Standard Competency:
Describes concept of element, compound and
mixture.
Objectives:
• To describe the characteristics of
elements, compounds, and mixtures
• To classify matters into elements ,compounds
,and mixture
4. Pure
Substance
Element
Compound
Matter
Mixture
Homogen
Suspension
Heterogen
Heterogen
5.
6. Atoms in elements and
compounds
Elements are materials made up of one type of atom only.
The element, hydrogen, exists as
molecules.
Each hydrogen molecule is made up of two
hydrogen atoms joined together.
H H
Compounds contain two or more different types of atom.
The compound, water, exists as
molecules.
Each water molecule consists of two
hydrogen atoms joined to one oxygen
atom.
