MATTER

1. Pure Substance

1.1. Element - cannot be separated into simpler substance by physical or chemical means.

1.1.1. C, O, Na, K

1.2. Compound- Pure substance composed of two or more different elements joined by chemical bonds.

1.3. Acid, Base, Salt

2. Mixture

2.1. Homogeneous mixture

2.1.1. Solution

2.2. Heterogeneous Mixture

2.2.1. Suspension

2.2.1.1. Colloid