Y9 Chemistry Recap

Select all the properties of a solid

• regular arrangement of particles

• particles can move around freely

• particles have low energy

• particles vibrate about fixed positions

In which state of matter do the particles have the highest energy?

• solid

• liquid

• gas

What is the name for a gas turning into a liquid

• boiling

• condensing

• freezing

• melting

What is sublimation?

• solid to liquid

• solid to gas

• liquid to gas

• liquid to solid

Diffusion is when particles move from...

Which factors can INCREASE diffusion?

• higher temperature

• lower temperature

• heavier substance

• lighter substance

How are compounds and mixtures different?

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What is the smallest and simplest substance?

• compound

• element

• mixture

• molecule

Which separation technique is this equipment for?

• crystallisation

• distillation

• filtration

• paper chromatography

In filtration, what is the leftover solid in the filter paper called?