Particles are close together but can move past each other in an irregular arrangement.
This is the amount of energy required to change the state of 1kg of a substance with no change in temperature. Melting or freezing. [KS] KS4 SP14.rar
The module focuses on the structure of matter and how particles behave under different conditions. ) is defined as mass per unit volume. Formula: Particles are close together but can move past