Simple Model of the Atom (AQA GCSE Chemistry): Flashcards

Different substances not chemically joined

Substance made of only one type of atom

Atoms of different elements chemically joined

Insoluble solid from liquid

Soluble solid from liquid

The water (solvent), not the solution

Mixtures of coloured compounds

Inks, dyes, food colouring agents

Different components move at different rates

$R_f = \frac{\text{dist. compound}}{\text{dist. solvent}}$

Always the same

Water and miscible liquids

100°C

78°C

Different boiling points of liquids