Particles and Mixture - 1.2 Movement of Particles

What is diffusion?

Diffusion is the net movement of particles from areas of higher concentration, to areas of lower concentration

Why does diffusion happen?

Diffusion happens because particles move about randomly, so over time will spread out, moving from where there are lots of them

What colour is bromine gas?

Brown

What colour is potassium manganate

VII)?

Are particles of ammonia of particles of hydrogen chloride smaller?

Particles of ammonia are smaller