Elements! (compounds and mixtures)

1
Elements!(compounds and mixtures)
2
iron particles
Key
one iron particle
strong bonds between iron particles
iron particlesheld together by strong bonds
3
iron particles
iron particles are attracted to a magnet
iron particlesdiagram
4
sulphur particles
Key
one sulphur particle
strong bonds between sulphur particles
sulphur particles held together by strong bonds
5
sulphur particles
sulphur particles are not attracted to a magnet
sulphur particlesdiagram
6
iron particles
7
A mixture of iron and sulphur
particles
Whats this?
strong bonds between sulphur particles
strong bonds betweeniron particles
8
A mixture of iron and sulphur particles
A magnet attracts the iron particles
but not the sulphur particles.
The mixture is separated
mixture diagram
9
A compound between iron and sulphur particles
Whats this?
one sulphur particle
one iron particle
strong bonds between iron and sulphur particles
10
A compound between iron and sulphur particles
strong bonds between iron and sulphur particles
The magnet cannot separate iron and sulphur
particles in a compound
compound diagram
11
References
Steve Lewis for the Royal Society of
Chemistry Photographs by Peter Hollamby