Hypothesis: If a material undergoes a chemical change, then it will not retain its
original properties because a new substance
is formed.
To test the hypothesis above, you will observe the
changes during the experiment.
To do this, you will use these observations to
compare the
V of the
substances

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.