1. Mixtures, Elements, and Compounds of Iron (Fe) & Sulphur (S)

2. iron particles (element)
Key:
one iron particle
strong bonds between iron particles
iron particles held together by strong bonds

3. iron particles (element)
iron particles are attracted to a magnet
iron particles diagram

4. sulfur particles (element)
Key:
one sulfur particle
strong bonds between sulfur particles
sulfur particles held together by strong bonds

5. sulfur particles (element)
sulfur particles are not attracted to a magnet
sulfur particles diagram

6. iron particles
sulfur particles

7. A mixture of iron and sulfur particles
What’s this?
A mixture of iron and sulfur particles
strong bonds between iron particles
strong bonds between sulfur particles

8. A mixture of iron and sulfur particles
A magnet attracts the iron particles
but not the sulfur particles.
The mixture is separated
mixture diagram

9. A compound between iron and sulfur particles
What’s this?
A compound between iron and sulfur particles
one iron particle
one sulfur particle
strong bonds between iron and sulfur particles

10. A compound between iron and sulfur particles
strong bonds between iron and sulfur particles
The magnet cannot separate iron and sulfur particles in a compound
compound diagram

11. References Steve Lewis for the Royal Society of Chemistry
Photographs by Peter Hollamby