SC1 - States of Matter ✓
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SC1a - What are the arrangements of particles in each of the three states?
• Solid: Regular and close together • Liquid: Random and close together • Gas: Random and far apart
SC1a - What are the movements of particles in each of the three states?
• Solid: Vibrate around a fixed position • Liquid: Move around each other • Gas: Fast in all directions
SC1a - What are the names of the two state changes between solid and liquid?
• S→ L is Melting • L → S is Freezing
SC1a - What are the names of the two state changes between liquid and gas?
• L→ G Evaporating (and Boiling) • G → L Condensing
SC1a - What are the names of the two state changes between Gas and Solid?
• G → S Deposition • S → G Sublimation • During these processes they bypass the liquid stage
SC1a - What is overcome during melting and boiling?
Forces of attraction between particles
SC1a - In a heating curve, at which points will the line be flat?
During Melting and Boiling [phase changes] as the temperature doesn’t increase while the forces of attraction are overcome.