Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
1. Elements are the substances that are made up of only kind of particles, For example, Nitrogen, Oxygen, Carbon and all metals.
2. Compounds are the substances that are formed when two or more elements combined together in a fixed proportion.
3. Hydrogen & oxygen are considered as elements because they are made up of only one type of atom while
4. Water is considered as compound because is made up of two kinds of atoms(hydrogen & oxygen) that combine in a fixed proportions.