Classification of Matter: an exercise

1. Sample #1

1.1. Types of molecules

1.1.1. Only one type

1.1.1.1. PURE SUBSTANCE

1.1.2. Each molecule

1.1.2.1. Only one type of atoms

1.1.2.1.1. ELEMENT

1.2. Physical states

1.2.1. Gas phase

2. Sample #2

2.1. Types of molecules

2.1.1. One type

2.1.1.1. PURE SUBSTANCE

2.1.1.2. Each molecule

2.1.1.2.1. Two types of atoms

2.2. Physical states

2.2.1. Gas phase

3. Sample #3

3.1. Types of molecules

3.1.1. More than one type

3.1.1.1. MIXTURE

3.1.1.2. Equal distribution

3.1.1.2.1. HOMOGENEOUS

3.2. Physical states

3.2.1. Gas phase