Particles are far apart and move randomly at high speeds. Changes of State Physical changes (reversible) rather than chemical changes. Mass is conserved during a change of state.
Energy is used to break intermolecular bonds rather than increasing temperature during melting or boiling. The total energy stored by particles in a system. [KS] KS4 SP14.rar
If the .rar file you are referring to is a study pack or assessment resource, the following write-up serves as a comprehensive summary of the core concepts generally included in this module. Core Concepts of KS4 SP14 (Particle Model) Particles are far apart and move randomly at high speeds
Applying the density and latent heat formulas correctly. Energy is used to break intermolecular bonds rather
Faster-moving particles collide with the walls of a container more frequently and with more force, increasing the .
Particles are in a fixed, regular arrangement and vibrate around fixed positions.