3. state how each of the following scientists contributed to the atomic theory, and how
the model of the atom changed with each scientist contribution.
bohr, rutherford, democritus, thomson, dalton

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.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which of the following are correct values for the ideal gas laws constant r