GCSE Chemistry Specification

Edexcel 1CH0

Section 2: (a) States of matter

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#2.1

Describe the arrangement, movement and the relative energy of particles in each of the three states of matter: solid, liquid and gas

#2.2

Recall the names used for the interconversions between the three states of matter, recognising that these are physical changes: contrasted with chemical reactions that result in chemical changes

#2.3

Explain the changes in arrangement, movement and energy of particles during these interconversions

#2.4

Predict the physical state of a substance under specified conditions, given suitable data