How is energy related to the change of state represented
by the model?
O Atoms gain energy as a solid changes to a gas.
O Atoms gain energy as a liquid changes to a gas.
O Atoms lose energy as a solid changes to a gas.
O Atoms lose energy as a liquid changes to a gas.

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.