1. Elements Compounds and Mixtures

2. Atoms
Atoms are made up of electrons neutrons and protons.

3. Elements The Most Basic Form of Matter
Elements are made up of identical atoms. Elements are pure substances that cannot broken down in to simpler substances.
Gold

6. Made up of two or more elements in a specific ratio.
Compounds
Made up of two or more elements in a specific ratio.
CH4
NH3

7. H2 and 02 H H O O H H

8. Combine to form H2O H H O O H H

10. Mixture
Mixture is two or more substances that retain their identity.

11. Mixture Homogeneous Heterogeneous Solution Colloid Suspension
Can’t see particles
Visible particles
Eventually settles in to layers
Never settles
Never settles
Yes the Tyndall Effect is observed
Yes the Tyndall Effect is observed
No Tyndall Effect

12. Tyndall Effect
No!
John Tyndall
Yes!

13. Tyndall Effect