Matter

1. Type of matter

1.1. Pure matter

1.1.1. Element

1.1.1.1. Metals

1.1.1.2. Non metals

1.1.1.3. Mettalloids

1.1.1.4. Nihal gess

1.1.1.5. New Topic

1.1.1.6. New Topic

1.1.1.7. New Topic

1.1.1.8. New Topic

1.1.2. Compounds

1.2. Mixture

1.2.1. Homogeneous

1.2.2. Heterogeneous

2. New Topic

3. New Topic

4. New Topic

5. New Topic

6. New Topic

7. New Topic

8. New Topic

9. New Topic

10. New Topic