1

Three states of H2O

2

The surface of a single grain of NaCl

3

A sandy beach

4

Each sand grain is composed of tiny atoms

5

Liquid Nitrogen

6

Copper Nugget

7

Pure Aluminum

8

Mercury and iodine combine to form mercuric iodide

9

A simple distillation apparatus

10

A line of the mixture to be separated is placed at one end of a sheet

11

The paper acts as a wick to draw up the liquid

12

The component with the weakest attraction for the paper travels faster and farther.