during which change of state do atoms lose energy?\n○ sublimation\n○ freezing\n○ boiling\n○ melting

Brief Explanations:

To determine when atoms lose energy during a state change, we analyze each option:

• Sublimation: Solid to gas, requires energy (atoms gain energy).
• Freezing: Liquid to solid, atoms slow down, releasing energy (lose energy).
• Boiling: Liquid to gas, requires energy (atoms gain energy).
• Melting: Solid to liquid, requires energy (atoms gain energy).

Only freezing involves atoms losing energy as they transition to a more ordered state (solid) from liquid.

Answer:

B. freezing