Matter

1. Mixture

1.1. Homogeneous Mixture

1.1.1. Same throughout

1.1.1.1. Vinegar

1.1.1.2. Soda

1.2. Heterogeneous Mixture

1.2.1. Different throughout

1.2.1.1. Italian Dressing

1.2.1.2. Muddy Water

2. Pure Substance

2.1. Compounds

2.1.1. Different atoms

2.1.1.1. water (H2O)

2.1.1.2. Salt (NaCl)

2.2. Element

2.2.1. Same atoms

2.2.1.1. Chlorine

2.2.1.2. Iron